620.4 Circular Intersection Markings (MUTCD Chapter 3D) - Revision history

HogsettC: /* {{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01) */

2025-11-25T19:08:05Z

{{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01)

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	{{SpanID\|fig3d4}}		{{SpanID\|fig3d4}}
	[[File:Figure 620.4.1.5 Example of Markings for a Two-Lane Roundabout with One-Lane ~~Exits~~.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.		[[File:Figure 620.4.1.5 Example of Markings for a Two-Lane Roundabout with One-Lane Exit.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.
	\|'''Figure 620.4.1.5''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]		\|'''Figure 620.4.1.5''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]

RollerA: /* {{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01) */

2025-11-25T15:21:53Z

{{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01)

HogsettC: /* {{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01) */

2025-11-24T17:39:22Z

{{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01)

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	{{SpanID\|fig3d4}}		{{SpanID\|fig3d4}}
	[[File:~~Fig3D~~-4_ExampleOfMarkingsFor2LaneRABWith1LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.		[[File:F03D-04_Fig3D-4_ExampleOfMarkingsFor2LaneRABWith1LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.
	\|'''Figure 620.4.1.5''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]		\|'''Figure 620.4.1.5''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]

TaracksA at 16:22, 21 November 2025

2025-11-21T16:22:14Z

WilkeJ: /* {{SpanID|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07) */

2025-11-21T11:04:28Z

{{SpanID|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07)

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	=={{SpanID\|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07) ==		=={{SpanID\|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07) ==

	'''Option. '''The markings shown in EPG 620.4 may be used at other circular intersections if engineering judgment indicates that their presence will benefit drivers, pedestrians, or other road users. [[903.2 Regulatory Signs and Barricades #fig903.2.40.1\|Figure 903.2.40.1]] provides an example of markings at a mini-roundabout.		'''Option. '''The markings shown in EPG 620.4 may be used at other circular intersections if engineering judgment indicates that their presence will benefit drivers, pedestrians, or other road users. [[903.2 Regulatory Signs and Barricades (MUTCD Chapter 2B)#fig903.2.40.1\|Figure 903.2.40.1]] provides an example of markings at a mini-roundabout.

WilkeJ: /* {{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01) */

2025-11-21T10:59:18Z

{{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01)

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	[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.		[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.

	[[--\|~~Section 9E~~.05]] contains information regarding bicycle lane markings at circular intersections.		[[914.5 Markings (MUTCD Chapter 9E)#914.5.5\|EPG 914.5.5]] contains information regarding bicycle lane markings at circular intersections.

	[[620.3 Crosswalk Markings (MUTCD Chapter 3C)#620.3.7\|EPG 620.3.7]] contains information regarding crosswalks at circular intersections.		[[620.3 Crosswalk Markings (MUTCD Chapter 3C)#620.3.7\|EPG 620.3.7]] contains information regarding crosswalks at circular intersections.

RollerA: /* {{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01) */

2025-11-05T18:29:41Z

{{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01)

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	[[#fig3d1\|Figure 620.4.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.8]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.		[[#fig3d1\|Figure 620.4.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.8]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.

	Actuated LED pedestrian warning signs (see [[903.1 General#903.1.12\|EPG 903.1.12]]), traffic control signals, pedestrian hybrid beacons, and rectangular rapid flashing beacons (see [[:Category:902 Signals (MUTCD Part 4)\|EPG 902]]) are sometimes used at roundabouts to facilitate the crossing of pedestrians or to meter traffic.		Actuated LED pedestrian warning signs (see [[903.1 General (MUTCD Chapter 2A) #903.1.12\|EPG 903.1.12]]), traffic control signals, pedestrian hybrid beacons, and rectangular rapid flashing beacons (see [[:Category:902 Signals (MUTCD Part 4)\|EPG 902]]) are sometimes used at roundabouts to facilitate the crossing of pedestrians or to meter traffic.

	[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.		[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.

HogsettC: /* {{SpanID|620.4.6}}620.4.6 Arrow Pavement Markings for Roundabouts (MUTCD Section 3D.06) */

2025-10-29T13:57:14Z

{{SpanID|620.4.6}}620.4.6 Arrow Pavement Markings for Roundabouts (MUTCD Section 3D.06)

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	If lane-use arrow pavement markings are used within the circulatory roadway of multi-lane roundabouts, normal-stem lane-use arrows (see [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#620.2.22\|EPG 620.2.22]] and [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#fig3b21\|Figure 620.2.22.1]]) should be used.		If lane-use arrow pavement markings are used within the circulatory roadway of multi-lane roundabouts, normal-stem lane-use arrows (see [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#620.2.22\|EPG 620.2.22]] and [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#fig3b21\|Figure 620.2.22.1]]) should be used.

	'''Support. '''Details and sizes of the standard and curved-stem arrows that can be used for circular intersections are contained in the FHWA’s “Standard Highway Signs” publication (see [[:Category:~~900 TRAFFIC CONTROL~~\|EPG 911 (MUTCD Section 1A.05)]]).		'''Support. '''Details and sizes of the standard and curved-stem arrows that can be used for circular intersections are contained in the FHWA’s “Standard Highway Signs” publication (see [[:Category:911 General (MUTCD Part 1) #911.1.5\|EPG 911 (MUTCD Section 1A.05)]]).

	=={{SpanID\|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07) ==		=={{SpanID\|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07) ==

	'''Option. '''The markings shown in EPG 620.4 may be used at other circular intersections if engineering judgment indicates that their presence will benefit drivers, pedestrians, or other road users. [[903.2 Regulatory Signs and Barricades #fig903.2.40.1\|Figure 903.2.40.1]] provides an example of markings at a mini-roundabout.		'''Option. '''The markings shown in EPG 620.4 may be used at other circular intersections if engineering judgment indicates that their presence will benefit drivers, pedestrians, or other road users. [[903.2 Regulatory Signs and Barricades #fig903.2.40.1\|Figure 903.2.40.1]] provides an example of markings at a mini-roundabout.

HogsettC: /* {{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01) */

2025-10-29T13:54:01Z

{{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01)

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	{{SpanID\|fig3d1}}		{{SpanID\|fig3d1}}
	[[File:Fig3D-1_ExampleOfMarkingsForApproach-CirculatoryRoadwaysAtRAB.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.1''' Example of Markings for Approach and Circulatory Roadway at a Roundabout]]		[[File:Fig3D-1_ExampleOfMarkingsForApproach-CirculatoryRoadwaysAtRAB.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example lane markings, including optional yield markings, wide dotted white extension of circulatory roadway edge line, landscape buffer, optional white diagonal markings, and an optional yellow center circle line.
			\|'''Figure 620.4.1''' Example of Markings for Approach and Circulatory Roadway at a Roundabout]]


	{{SpanID\|fig3d2}}		{{SpanID\|fig3d2}}
	[[File:Fig3D-2_ExampleOfMarkingsFor1LaneRAB.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.2''' Example of Markings for a One-Lane Roundabout]]		[[File:Fig3D-2_ExampleOfMarkingsFor1LaneRAB.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and a yield line of white triangles marked as optional.
			\|'''Figure 620.4.2''' Example of Markings for a One-Lane Roundabout]]


	{{SpanID\|fig3d3}}		{{SpanID\|fig3d3}}
	[[File:Fig3D-3-1_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 1 of 2)'']]		[[File:Fig3D-3-1_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and white diagonal markings at the top of the southern splitter island marked as optional.
			\|'''Figure 620.4.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 1 of 2)'']]


	{{SpanID\|fig3d3}}		{{SpanID\|fig3d3}}
	[[File:Fig3D-3-2_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 2 of 2)'']]		[[File:Fig3D-3-2_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=Two examples of markings for a two-lane roundabout are shown. Optional white directional arrow lane markings direct traffic around a central island. Example B shows the central island extended by optional yellow edge line and diagonal yellow markings. Example C shows the central island extended by a truck apron.
			\|'''Figure 620.4.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 2 of 2)'']]


	{{SpanID\|fig3d4}}		{{SpanID\|fig3d4}}
	[[File:Fig3D-4_ExampleOfMarkingsFor2LaneRABWith1LaneExits.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.4''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]		[[File:Fig3D-4_ExampleOfMarkingsFor2LaneRABWith1LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.
			\|'''Figure 620.4.4''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]


	{{SpanID\|fig3d5}}		{{SpanID\|fig3d5}}
	[[File:Fig3D-5_ExampleOfMarkingsFor2LaneRABWith2LaneExits.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.5''' Example of Markings for a Two-Lane Roundabout with Two-Lane Exits]]		[[File:Fig3D-5_ExampleOfMarkingsFor2LaneRABWith2LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
			\|'''Figure 620.4.5''' Example of Markings for a Two-Lane Roundabout with Two-Lane Exits]]


	{{SpanID\|fig3d6}}		{{SpanID\|fig3d6}}
	[[File:Fig3D-6_ExampleOfMarkingsFor2LaneRABWithDoubleLeftTurn.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.6''' Example of Markings for a Two-Lane Roundabout with a Double Left Turn]]		[[File:Fig3D-6_ExampleOfMarkingsFor2LaneRABWithDoubleLeftTurn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
			\|'''Figure 620.4.6''' Example of Markings for a Two-Lane Roundabout with a Double Left Turn]]


	{{SpanID\|fig3d7}}		{{SpanID\|fig3d7}}
	[[File:Fig3D-7_ExampleOfMarkingsFor2LaneRABWithDoubleRightTurn.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.7''' Example of Markings for a Two-Lane Roundabout with a Double Right Turn]]		[[File:Fig3D-7_ExampleOfMarkingsFor2LaneRABWithDoubleRightTurn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
			\|'''Figure 620.4.7''' Example of Markings for a Two-Lane Roundabout with a Double Right Turn]]


	{{SpanID\|fig3d8}}		{{SpanID\|fig3d8}}
	[[File:Fig3D-8_ExampleOfMarkingsForDiamondInterchangeWith2CircularShapedRABRampTerminals.png\|thumb\|center\|850px\|alt=\|'''Figure 620.4.8''' Example of Markings for a Diamond Interchange with Two Circular-Shaped Roundabout Ramp Terminals]]		[[File:Fig3D-8_ExampleOfMarkingsForDiamondInterchangeWith2CircularShapedRABRampTerminals.png\|thumb\|center\|850px\|alt=A vertical roadway with two roundabouts marked with directional arrows, lane lines, optional diagonal yellow markings around the islands, and optional white chevron markings at the ends of the splitter islands is shown. An example of an optional pavement marking on the inside northbound lane indicating a change in roadway is shown as “TO 70 WEST.”
			\|'''Figure 620.4.8''' Example of Markings for a Diamond Interchange with Two Circular-Shaped Roundabout Ramp Terminals]]

	=={{SpanID\|620.4.2}}620.4.2 White Lane Line Pavement Markings for Roundabouts (MUTCD Section 3D.02) ==		=={{SpanID\|620.4.2}}620.4.2 White Lane Line Pavement Markings for Roundabouts (MUTCD Section 3D.02) ==

HogsettC: /* {{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01) */

2025-10-29T13:34:28Z

{{SpanID|620.4.1}}620.4.1 General (MUTCD Section 3D.01)

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	Markings on the approaches to a circular intersection and on the circulatory roadway should be compatible with each other to provide a consistent message to road users. The markings should supplement the signing, both conveying the optional and mandatory movements such that road users will know to choose the proper lane in the approach to the circular intersection and remain in that lane throughout departure from the circulatory roadway.		Markings on the approaches to a circular intersection and on the circulatory roadway should be compatible with each other to provide a consistent message to road users. The markings should supplement the signing, both conveying the optional and mandatory movements such that road users will know to choose the proper lane in the approach to the circular intersection and remain in that lane throughout departure from the circulatory roadway.

	'''Support. '''Common circular intersection types include roundabouts, rotaries, and traffic circles (see definitions in [[:Category:~~900 TRAFFIC CONTROL~~\|EPG 911]] (MUTCD Section 1C.02)). Traffic circles and rotaries are often much larger than roundabouts. Modern roundabouts feature channelized, curved approaches that reduce vehicle speed. Traffic calming circles are smaller and are typically used on urban or suburban neighborhood streets.		'''Support. '''Common circular intersection types include roundabouts, rotaries, and traffic circles (see definitions in [[:Category:911 General (MUTCD Part 1) #911.3.2\|EPG 911 (MUTCD Section 1C.02)]]). Traffic circles and rotaries are often much larger than roundabouts. Modern roundabouts feature channelized, curved approaches that reduce vehicle speed. Traffic calming circles are smaller and are typically used on urban or suburban neighborhood streets.

	[[#fig3d1\|Figure 620.4.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.8]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.		[[#fig3d1\|Figure 620.4.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.8]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.

← Older revision		Revision as of 05:59, 21 November 2025
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	[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.		[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.

	[[--\|~~Section 9E~~.05]] contains information regarding bicycle lane markings at circular intersections.		[[914.5 Markings (MUTCD Chapter 9E)#914.5.5\|EPG 914.5.5]] contains information regarding bicycle lane markings at circular intersections.

	[[620.3 Crosswalk Markings (MUTCD Chapter 3C)#620.3.7\|EPG 620.3.7]] contains information regarding crosswalks at circular intersections.		[[620.3 Crosswalk Markings (MUTCD Chapter 3C)#620.3.7\|EPG 620.3.7]] contains information regarding crosswalks at circular intersections.

← Older revision		Revision as of 13:29, 5 November 2025
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	[[#fig3d1\|Figure 620.4.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.8]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.		[[#fig3d1\|Figure 620.4.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.8]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.

	Actuated LED pedestrian warning signs (see [[903.1 General#903.1.12\|EPG 903.1.12]]), traffic control signals, pedestrian hybrid beacons, and rectangular rapid flashing beacons (see [[:Category:902 Signals (MUTCD Part 4)\|EPG 902]]) are sometimes used at roundabouts to facilitate the crossing of pedestrians or to meter traffic.		Actuated LED pedestrian warning signs (see [[903.1 General (MUTCD Chapter 2A) #903.1.12\|EPG 903.1.12]]), traffic control signals, pedestrian hybrid beacons, and rectangular rapid flashing beacons (see [[:Category:902 Signals (MUTCD Part 4)\|EPG 902]]) are sometimes used at roundabouts to facilitate the crossing of pedestrians or to meter traffic.

	[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.		[[913.1 General (MUTCD Chapter 8A)#913.1.12\|EPG 913.1.12]] provides information about circular intersections that contain or are in close proximity to grade crossings.

← Older revision		Revision as of 08:57, 29 October 2025
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	If lane-use arrow pavement markings are used within the circulatory roadway of multi-lane roundabouts, normal-stem lane-use arrows (see [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#620.2.22\|EPG 620.2.22]] and [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#fig3b21\|Figure 620.2.22.1]]) should be used.		If lane-use arrow pavement markings are used within the circulatory roadway of multi-lane roundabouts, normal-stem lane-use arrows (see [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#620.2.22\|EPG 620.2.22]] and [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#fig3b21\|Figure 620.2.22.1]]) should be used.

	'''Support. '''Details and sizes of the standard and curved-stem arrows that can be used for circular intersections are contained in the FHWA’s “Standard Highway Signs” publication (see [[:Category:~~900 TRAFFIC CONTROL~~\|EPG 911 (MUTCD Section 1A.05)]]).		'''Support. '''Details and sizes of the standard and curved-stem arrows that can be used for circular intersections are contained in the FHWA’s “Standard Highway Signs” publication (see [[:Category:911 General (MUTCD Part 1) #911.1.5\|EPG 911 (MUTCD Section 1A.05)]]).

	=={{SpanID\|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07) ==		=={{SpanID\|620.4.7}}620.4.7 Markings for Other Circular Intersections (MUTCD Section 3D.07) ==

	'''Option. '''The markings shown in EPG 620.4 may be used at other circular intersections if engineering judgment indicates that their presence will benefit drivers, pedestrians, or other road users. [[903.2 Regulatory Signs and Barricades #fig903.2.40.1\|Figure 903.2.40.1]] provides an example of markings at a mini-roundabout.		'''Option. '''The markings shown in EPG 620.4 may be used at other circular intersections if engineering judgment indicates that their presence will benefit drivers, pedestrians, or other road users. [[903.2 Regulatory Signs and Barricades #fig903.2.40.1\|Figure 903.2.40.1]] provides an example of markings at a mini-roundabout.

← Older revision		Revision as of 10:21, 25 November 2025
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	{{SpanID\|fig3d1}}		{{SpanID\|fig3d1}}
	[[File:~~Fig3D-1_ExampleOfMarkingsForApproach-CirculatoryRoadwaysAtRAB~~.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example lane markings, including optional yield markings, wide dotted white extension of circulatory roadway edge line, landscape buffer, optional white diagonal markings, and an optional yellow center circle line.		[[File:Figure 620.4.1.1 Example of Markings for Approach and Circulatory Roadway at a Roundabout.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example lane markings, including optional yield markings, wide dotted white extension of circulatory roadway edge line, landscape buffer, optional white diagonal markings, and an optional yellow center circle line.
	\|'''Figure 620.4.1.1''' Example of Markings for Approach and Circulatory Roadway at a Roundabout]]		\|'''Figure 620.4.1.1''' Example of Markings for Approach and Circulatory Roadway at a Roundabout]]


	{{SpanID\|fig3d2}}		{{SpanID\|fig3d2}}
	[[File:~~Fig3D~~-~~2_ExampleOfMarkingsFor1LaneRAB~~.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and a yield line of white triangles marked as optional.		[[File:Figure 620.4.1.2 Example of Markings for a One-Lane Roundabout.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and a yield line of white triangles marked as optional.
	\|'''Figure 620.4.1.2''' Example of Markings for a One-Lane Roundabout]]		\|'''Figure 620.4.1.2''' Example of Markings for a One-Lane Roundabout]]


	{{SpanID\|fig3d3}}		{{SpanID\|fig3d3}}
	[[File:~~Fig3D~~-3-~~1_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches~~.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and white diagonal markings at the top of the southern splitter island marked as optional.		[[File:Figure 620.4.1.3 Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches (Sheet 1 of 2).png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and white diagonal markings at the top of the southern splitter island marked as optional.
	\|'''Figure 620.4.1.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 1 of 2)'']]		\|'''Figure 620.4.1.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 1 of 2)'']]


	{{SpanID\|fig3d3}}		{{SpanID\|fig3d3}}
	[[File:~~Fig3D~~-3-~~2_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches~~.png\|thumb\|center\|850px\|alt=Two examples of markings for a two-lane roundabout are shown. Optional white directional arrow lane markings direct traffic around a central island. Example B shows the central island extended by optional yellow edge line and diagonal yellow markings. Example C shows the central island extended by a truck apron.		[[File:Figure 620.4.1.4 Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches (Sheet 2 of 2).png\|thumb\|center\|850px\|alt=Two examples of markings for a two-lane roundabout are shown. Optional white directional arrow lane markings direct traffic around a central island. Example B shows the central island extended by optional yellow edge line and diagonal yellow markings. Example C shows the central island extended by a truck apron.
	\|'''Figure 620.4.1.4''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 2 of 2)'']]		\|'''Figure 620.4.1.4''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 2 of 2)'']]


	{{SpanID\|fig3d4}}		{{SpanID\|fig3d4}}
	[[File:~~F03D~~-~~04_Fig3D~~-~~4_ExampleOfMarkingsFor2LaneRABWith1LaneExits~~.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.		[[File:Figure 620.4.1.5 Example of Markings for a Two-Lane Roundabout with One-Lane Exits.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.
	\|'''Figure 620.4.1.5''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]		\|'''Figure 620.4.1.5''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]


	{{SpanID\|fig3d5}}		{{SpanID\|fig3d5}}
	[[File:~~Fig3D~~-~~5_ExampleOfMarkingsFor2LaneRABWith2LaneExits~~.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.		[[File:Figure 620.4.1.6 Example of Markings for a Two-Lane Roundabout with Two-Lane Exits.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
	\|'''Figure 620.4.1.6''' Example of Markings for a Two-Lane Roundabout with Two-Lane Exits]]		\|'''Figure 620.4.1.6''' Example of Markings for a Two-Lane Roundabout with Two-Lane Exits]]


	{{SpanID\|fig3d6}}		{{SpanID\|fig3d6}}
	[[File:~~Fig3D~~-~~6_ExampleOfMarkingsFor2LaneRABWithDoubleLeftTurn~~.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.		[[File:Figure 620.4.1.7 Example of Markings for a Two-Lane Roundabout with a Double Left Turn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
	\|'''Figure 620.4.1.7''' Example of Markings for a Two-Lane Roundabout with a Double Left Turn]]		\|'''Figure 620.4.1.7''' Example of Markings for a Two-Lane Roundabout with a Double Left Turn]]


	{{SpanID\|fig3d7}}		{{SpanID\|fig3d7}}
	[[File:~~Fig3D~~-~~7_ExampleOfMarkingsFor2LaneRABWithDoubleRightTurn~~.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.		[[File:Figure 620.4.1.8 Example of Markings for a Two-Lane Roundabout with a Double Right Turn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
	\|'''Figure 620.4.1.8''' Example of Markings for a Two-Lane Roundabout with a Double Right Turn]]		\|'''Figure 620.4.1.8''' Example of Markings for a Two-Lane Roundabout with a Double Right Turn]]


	{{SpanID\|fig3d8}}		{{SpanID\|fig3d8}}
	[[File:~~Fig3D~~-~~8_ExampleOfMarkingsForDiamondInterchangeWith2CircularShapedRABRampTerminals~~.png\|thumb\|center\|850px\|alt=A vertical roadway with two roundabouts marked with directional arrows, lane lines, optional diagonal yellow markings around the islands, and optional white chevron markings at the ends of the splitter islands is shown. An example of an optional pavement marking on the inside northbound lane indicating a change in roadway is shown as “TO 70 WEST.”		[[File:Figure 620.4.1.9 Example of Markings for a Diamond Interchange with Two Circular-Shaped Roundabout Ramp Terminals.png\|thumb\|center\|850px\|alt=A vertical roadway with two roundabouts marked with directional arrows, lane lines, optional diagonal yellow markings around the islands, and optional white chevron markings at the ends of the splitter islands is shown. An example of an optional pavement marking on the inside northbound lane indicating a change in roadway is shown as “TO 70 WEST.”
	\|'''Figure 620.4.1.9''' Example of Markings for a Diamond Interchange with Two Circular-Shaped Roundabout Ramp Terminals]]		\|'''Figure 620.4.1.9''' Example of Markings for a Diamond Interchange with Two Circular-Shaped Roundabout Ramp Terminals]]

← Older revision		Revision as of 11:22, 21 November 2025
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	'''Support. '''Common circular intersection types include roundabouts, rotaries, and traffic circles (see definitions in [[:Category:911 General (MUTCD Part 1) #911.3.2\|EPG 911 (MUTCD Section 1C.02)]]). Traffic circles and rotaries are often much larger than roundabouts. Modern roundabouts feature channelized, curved approaches that reduce vehicle speed. Traffic calming circles are smaller and are typically used on urban or suburban neighborhood streets.		'''Support. '''Common circular intersection types include roundabouts, rotaries, and traffic circles (see definitions in [[:Category:911 General (MUTCD Part 1) #911.3.2\|EPG 911 (MUTCD Section 1C.02)]]). Traffic circles and rotaries are often much larger than roundabouts. Modern roundabouts feature channelized, curved approaches that reduce vehicle speed. Traffic calming circles are smaller and are typically used on urban or suburban neighborhood streets.

	[[#fig3d1\|Figure 620.4.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.8]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.		[[#fig3d1\|Figure 620.4.1.1]] provides an example of the pavement markings for approach and circulatory roadways at a roundabout. [[#fig3d2\|Figures 620.4.2]] through [[#fig3d8\|620.4.1.9]] illustrate examples of markings for roundabouts of various geometric and lane-use configurations.

	Actuated LED pedestrian warning signs (see [[903.1 General (MUTCD Chapter 2A) #903.1.12\|EPG 903.1.12]]), traffic control signals, pedestrian hybrid beacons, and rectangular rapid flashing beacons (see [[:Category:902 Signals (MUTCD Part 4)\|EPG 902]]) are sometimes used at roundabouts to facilitate the crossing of pedestrians or to meter traffic.		Actuated LED pedestrian warning signs (see [[903.1 General (MUTCD Chapter 2A) #903.1.12\|EPG 903.1.12]]), traffic control signals, pedestrian hybrid beacons, and rectangular rapid flashing beacons (see [[:Category:902 Signals (MUTCD Part 4)\|EPG 902]]) are sometimes used at roundabouts to facilitate the crossing of pedestrians or to meter traffic.
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	{{SpanID\|fig3d1}}		{{SpanID\|fig3d1}}
	[[File:Fig3D-1_ExampleOfMarkingsForApproach-CirculatoryRoadwaysAtRAB.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example lane markings, including optional yield markings, wide dotted white extension of circulatory roadway edge line, landscape buffer, optional white diagonal markings, and an optional yellow center circle line.		[[File:Fig3D-1_ExampleOfMarkingsForApproach-CirculatoryRoadwaysAtRAB.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example lane markings, including optional yield markings, wide dotted white extension of circulatory roadway edge line, landscape buffer, optional white diagonal markings, and an optional yellow center circle line.
	\|'''Figure 620.4.1''' Example of Markings for Approach and Circulatory Roadway at a Roundabout]]		\|'''Figure 620.4.1.1''' Example of Markings for Approach and Circulatory Roadway at a Roundabout]]


	{{SpanID\|fig3d2}}		{{SpanID\|fig3d2}}
	[[File:Fig3D-2_ExampleOfMarkingsFor1LaneRAB.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and a yield line of white triangles marked as optional.		[[File:Fig3D-2_ExampleOfMarkingsFor1LaneRAB.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and a yield line of white triangles marked as optional.
	\|'''Figure 620.4.2''' Example of Markings for a One-Lane Roundabout]]		\|'''Figure 620.4.1.2''' Example of Markings for a One-Lane Roundabout]]


	{{SpanID\|fig3d3}}		{{SpanID\|fig3d3}}
	[[File:Fig3D-3-1_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and white diagonal markings at the top of the southern splitter island marked as optional.		[[File:Fig3D-3-1_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=A four-way roundabout is shown with example white directional arrow lane markings and white diagonal markings at the top of the southern splitter island marked as optional.
	\|'''Figure 620.4.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 1 of 2)'']]		\|'''Figure 620.4.1.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 1 of 2)'']]


	{{SpanID\|fig3d3}}		{{SpanID\|fig3d3}}
	[[File:Fig3D-3-2_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=Two examples of markings for a two-lane roundabout are shown. Optional white directional arrow lane markings direct traffic around a central island. Example B shows the central island extended by optional yellow edge line and diagonal yellow markings. Example C shows the central island extended by a truck apron.		[[File:Fig3D-3-2_ExampleOfMarkingsFor2LaneRABWith1and2LaneApproaches.png\|thumb\|center\|850px\|alt=Two examples of markings for a two-lane roundabout are shown. Optional white directional arrow lane markings direct traffic around a central island. Example B shows the central island extended by optional yellow edge line and diagonal yellow markings. Example C shows the central island extended by a truck apron.
	\|'''Figure 620.4.3''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 2 of 2)'']]		\|'''Figure 620.4.1.4''' Example of Markings for a Two-Lane Roundabout with One-Lane and Two-Lane Approaches ''(Sheet 2 of 2)'']]


	{{SpanID\|fig3d4}}		{{SpanID\|fig3d4}}
	[[File:Fig3D-4_ExampleOfMarkingsFor2LaneRABWith1LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.		[[File:Fig3D-4_ExampleOfMarkingsFor2LaneRABWith1LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two-lane roundabout is shown with optional yield lines of white triangles, and optional diagonal yellow markings around the central island.
	\|'''Figure 620.4.4''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]		\|'''Figure 620.4.1.5''' Example of Markings for a Two-Lane Roundabout with One-Lane Exits]]


	{{SpanID\|fig3d5}}		{{SpanID\|fig3d5}}
	[[File:Fig3D-5_ExampleOfMarkingsFor2LaneRABWith2LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.		[[File:Fig3D-5_ExampleOfMarkingsFor2LaneRABWith2LaneExits.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
	\|'''Figure 620.4.5''' Example of Markings for a Two-Lane Roundabout with Two-Lane Exits]]		\|'''Figure 620.4.1.6''' Example of Markings for a Two-Lane Roundabout with Two-Lane Exits]]


	{{SpanID\|fig3d6}}		{{SpanID\|fig3d6}}
	[[File:Fig3D-6_ExampleOfMarkingsFor2LaneRABWithDoubleLeftTurn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.		[[File:Fig3D-6_ExampleOfMarkingsFor2LaneRABWithDoubleLeftTurn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout is shown with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
	\|'''Figure 620.4.6''' Example of Markings for a Two-Lane Roundabout with a Double Left Turn]]		\|'''Figure 620.4.1.7''' Example of Markings for a Two-Lane Roundabout with a Double Left Turn]]


	{{SpanID\|fig3d7}}		{{SpanID\|fig3d7}}
	[[File:Fig3D-7_ExampleOfMarkingsFor2LaneRABWithDoubleRightTurn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.		[[File:Fig3D-7_ExampleOfMarkingsFor2LaneRABWithDoubleRightTurn.png\|thumb\|center\|850px\|alt=A four-way, two lane roundabout with white lane markers, directional arrows, crosswalks, and a truck apron around the central island.
	\|'''Figure 620.4.7''' Example of Markings for a Two-Lane Roundabout with a Double Right Turn]]		\|'''Figure 620.4.1.8''' Example of Markings for a Two-Lane Roundabout with a Double Right Turn]]


	{{SpanID\|fig3d8}}		{{SpanID\|fig3d8}}
	[[File:Fig3D-8_ExampleOfMarkingsForDiamondInterchangeWith2CircularShapedRABRampTerminals.png\|thumb\|center\|850px\|alt=A vertical roadway with two roundabouts marked with directional arrows, lane lines, optional diagonal yellow markings around the islands, and optional white chevron markings at the ends of the splitter islands is shown. An example of an optional pavement marking on the inside northbound lane indicating a change in roadway is shown as “TO 70 WEST.”		[[File:Fig3D-8_ExampleOfMarkingsForDiamondInterchangeWith2CircularShapedRABRampTerminals.png\|thumb\|center\|850px\|alt=A vertical roadway with two roundabouts marked with directional arrows, lane lines, optional diagonal yellow markings around the islands, and optional white chevron markings at the ends of the splitter islands is shown. An example of an optional pavement marking on the inside northbound lane indicating a change in roadway is shown as “TO 70 WEST.”
	\|'''Figure 620.4.8''' Example of Markings for a Diamond Interchange with Two Circular-Shaped Roundabout Ramp Terminals]]		\|'''Figure 620.4.1.9''' Example of Markings for a Diamond Interchange with Two Circular-Shaped Roundabout Ramp Terminals]]

	=={{SpanID\|620.4.2}}620.4.2 White Lane Line Pavement Markings for Roundabouts (MUTCD Section 3D.02) ==		=={{SpanID\|620.4.2}}620.4.2 White Lane Line Pavement Markings for Roundabouts (MUTCD Section 3D.02) ==
Line 82:		Line 82:
	'''Guidance. '''A white edge line should be used on the outer (right-hand) edge of the circulatory roadway.		'''Guidance. '''A white edge line should be used on the outer (right-hand) edge of the circulatory roadway.

	Where a white edge line is used for the circulatory roadway, it should be as follows (see [[#fig3d1\|Figure 620.4.1]]):		Where a white edge line is used for the circulatory roadway, it should be as follows (see [[#fig3d1\|Figure 620.4.1.1]]):

	::A. A solid line adjacent to the splitter island, and		::A. A solid line adjacent to the splitter island, and
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	'''Standard. '''Edge lines and edge line extensions shall not be placed across the exits from the circulatory roadway at roundabouts.		'''Standard. '''Edge lines and edge line extensions shall not be placed across the exits from the circulatory roadway at roundabouts.

	'''Option. '''A yellow edge line may be placed around the inner (left-hand) edge of the circulatory roadway (see [[#fig3d1\|Figure 620.4.1]]) and may be used to channelize traffic (see Drawing B in [[#~~fig3d3~~\|Figure 620.4.3]]).		'''Option. '''A yellow edge line may be placed around the inner (left-hand) edge of the circulatory roadway (see [[#fig3d1\|Figure 620.4.1.1]]) and may be used to channelize traffic (see Drawing B in [[#fig3d4\|Figure 620.4.1.4]]).

	=={{SpanID\|620.4.4}}620.4.4 Yield Lines for Roundabouts (MUTCD Section 3D.04) ==		=={{SpanID\|620.4.4}}620.4.4 Yield Lines for Roundabouts (MUTCD Section 3D.04) ==

	'''Option. '''A yield line (see [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#620.2.18\|EPG 620.2.18]]) may be used to indicate the point behind which vehicles are required to yield at the entrance to a roundabout (see [[#fig3d1\|Figure 620.4.1]] and [[#fig3d2\|620.4.2]]).		'''Option. '''A yield line (see [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)#620.2.18\|EPG 620.2.18]]) may be used to indicate the point behind which vehicles are required to yield at the entrance to a roundabout (see [[#fig3d1\|Figure 620.4.1.1]] and [[#fig3d2\|620.4.1.2]]).

	=={{SpanID\|620.4.5}}620.4.5 Word and Symbol Pavement Markings for Roundabouts (MUTCD Section 3D.05)==		=={{SpanID\|620.4.5}}620.4.5 Word and Symbol Pavement Markings for Roundabouts (MUTCD Section 3D.05)==

	'''Option. '''YIELD (word) (see [[#fig3d1\|Figure 620.4.1]]) and YIELD AHEAD (symbol or word) pavement markings may be used on approaches to roundabouts.		'''Option. '''YIELD (word) (see [[#fig3d1\|Figure 620.4.1.1]]) and YIELD AHEAD (symbol or word) pavement markings may be used on approaches to roundabouts.

	Word and/or route shield pavement markings may be used on an approach to or within the circulatory roadway of a roundabout to provide route and/or destination guidance information to road users (see [[#fig3d8\|Figure 620.4.8]]).		Word and/or route shield pavement markings may be used on an approach to or within the circulatory roadway of a roundabout to provide route and/or destination guidance information to road users (see [[#fig3d8\|Figure 620.4.1.9]]).

	=={{SpanID\|620.4.6}}620.4.6 Arrow Pavement Markings for Roundabouts (MUTCD Section 3D.06) ==		=={{SpanID\|620.4.6}}620.4.6 Arrow Pavement Markings for Roundabouts (MUTCD Section 3D.06) ==