902.5 Traffic Control Signal Indications (MUTCD Chapter 4E) - Revision history

WilkeJ: /* {{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01) */

2025-12-01T15:21:55Z

{{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01)

← Older revision		Revision as of 10:21, 1 December 2025
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	The requirements of the Institute of Transportation Engineers’ publications entitled “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Circular Signal Supplement,” 2005, ITE, and “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Vehicle Arrow Traffic Signal Supplement,” 2008, ITE, that pertain to the aspects of the signal head design that affect the display of the signal indications shall be met for light-emitting diode (LED) traffic signal modules.		The requirements of the Institute of Transportation Engineers’ publications entitled “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Circular Signal Supplement,” 2005, ITE, and “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Vehicle Arrow Traffic Signal Supplement,” 2008, ITE, that pertain to the aspects of the signal head design that affect the display of the signal indications shall be met for light-emitting diode (LED) traffic signal modules.

	'''Guidance. '''The intensity and distribution of light from each LED signal module should comply with the publications specified in the ~~peceding~~ paragraph, as appropriate.		'''Guidance. '''The intensity and distribution of light from each LED signal module should comply with the publications specified in the preceding paragraph, as appropriate.

	If a signal indication is so bright that it causes excessive glare during nighttime conditions, some form of automatic dimming should be used to reduce the brilliance of the signal indication.		If a signal indication is so bright that it causes excessive glare during nighttime conditions, some form of automatic dimming should be used to reduce the brilliance of the signal indication.

RollerA: /* {{SpanID|902.5.4}}902.5.4 Positions of Signal Indications Within a Vertical Signal Face (MUTCD Section 4E.04) */

2025-11-25T17:34:17Z

{{SpanID|902.5.4}}902.5.4 Positions of Signal Indications Within a Vertical Signal Face (MUTCD Section 4E.04)

← Older revision		Revision as of 12:34, 25 November 2025
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	{{SpanID\|fig902.5.4}}		{{SpanID\|fig902.5.4}}
	[[File:~~Fig4E-2_TypicalSignal~~.jpg\|center\|thumb\|alt=A: The following two vertical arrangements are shown from top to bottom:		[[File:Figure 902.5.4 Typical Arrangements of Signal Sections in Signal Faces That Do Not Control Turning Movements.jpg\|center\|thumb\|alt=A: The following two vertical arrangements are shown from top to bottom:
	• Circular red, circular yellow, circular green		• Circular red, circular yellow, circular green
	• Circular red, circular yellow, straight-through green arrow		• Circular red, circular yellow, straight-through green arrow

RollerA: /* {{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01) */

2025-11-25T17:32:59Z

{{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01)

← Older revision		Revision as of 12:32, 25 November 2025
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	{{SpanID\|fig902.5.1}}		{{SpanID\|fig902.5.1}}
	[[File:~~Fig4E~~-~~1_TypicalU-TurnSignal_v2~~.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|100px\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]		[[File:Figure 902.5.1 Typical Arrangement of U-Turn Signal Faces.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|100px\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]

	=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==		=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==

HogsettC: /* {{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01) */

2025-11-11T17:23:44Z

{{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01)

← Older revision		Revision as of 12:23, 11 November 2025
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	{{SpanID\|fig902.5.1}}		{{SpanID\|fig902.5.1}}
	[[File:Fig4E-1_TypicalU-~~TurnSignal~~.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|~~400px~~\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]		[[File:Fig4E-1_TypicalU-TurnSignal_v2.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|100px\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]

	=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==		=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==

TaracksA: /* {{SpanID|902.5.3}}902.5.3 Positions of Signal Indications Within a Signal Face – General (MUTCD Section 4E.03) */

2025-10-13T19:27:54Z

{{SpanID|902.5.3}}902.5.3 Positions of Signal Indications Within a Signal Face – General (MUTCD Section 4E.03)

← Older revision		Revision as of 14:27, 13 October 2025
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	=={{SpanID\|902.5.3}}902.5.3 Positions of Signal Indications Within a Signal Face – General (MUTCD Section 4E.03)==		=={{SpanID\|902.5.3}}902.5.3 Positions of Signal Indications Within a Signal Face – General (MUTCD Section 4E.03)==

	'''Support'''. Standardization of the number and arrangements of signal sections in vehicular traffic control signal faces enables road users who are color vision deficient to identify the illuminated color by its position relative to other signal sections.		'''Support. '''Standardization of the number and arrangements of signal sections in vehicular traffic control signal faces enables road users who are color vision deficient to identify the illuminated color by its position relative to other signal sections.

	'''Standard. '''Unless otherwise provided in the EPG for a particular application, each signal face at a signalized location shall have three, four, or five signal sections. Unless otherwise provided in the EPG for a particular application, if a vertical signal face includes a cluster (see [[902.5 Traffic Control Signal Indications (MUTCD Chapter 4E) #902.5.4\|EPG 902.5.4]]), the signal face shall have at least three vertical positions.		'''Standard. '''Unless otherwise provided in the EPG for a particular application, each signal face at a signalized location shall have three, four, or five signal sections. Unless otherwise provided in the EPG for a particular application, if a vertical signal face includes a cluster (see [[902.5 Traffic Control Signal Indications (MUTCD Chapter 4E) #902.5.4\|EPG 902.5.4]]), the signal face shall have at least three vertical positions.

TaracksA at 18:17, 6 October 2025

2025-10-06T18:17:23Z

← Older revision		Revision as of 13:17, 6 October 2025
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	[[Category:902 Signals\|902.05]]		[[Category:902 Signals (MUTCD Part 4)\|902.05]]

	=={{SpanID\|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01)==		=={{SpanID\|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01)==

TaracksA: /* {{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01) */

2025-10-06T17:22:30Z

{{SpanID|902.5.1}}902.5.1 Signal Indications – Design, Illumination, Color, and Shape (MUTCD Section 4E.01)

← Older revision		Revision as of 12:22, 6 October 2025
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	The requirements of the Institute of Transportation Engineers’ publications entitled “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Circular Signal Supplement,” 2005, ITE, and “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Vehicle Arrow Traffic Signal Supplement,” 2008, ITE, that pertain to the aspects of the signal head design that affect the display of the signal indications shall be met for light-emitting diode (LED) traffic signal modules.		The requirements of the Institute of Transportation Engineers’ publications entitled “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Circular Signal Supplement,” 2005, ITE, and “Vehicle Traffic Control Signal Heads: Light Emitting Diode (LED) Vehicle Arrow Traffic Signal Supplement,” 2008, ITE, that pertain to the aspects of the signal head design that affect the display of the signal indications shall be met for light-emitting diode (LED) traffic signal modules.

	'''Guidance. '''The intensity and distribution of light from each LED signal module should comply with the publications specified in the ~~tenth~~ paragraph ~~of this Article~~, as appropriate.		'''Guidance. '''The intensity and distribution of light from each LED signal module should comply with the publications specified in the peceding paragraph, as appropriate.

	If a signal indication is so bright that it causes excessive glare during nighttime conditions, some form of automatic dimming should be used to reduce the brilliance of the signal indication.		If a signal indication is so bright that it causes excessive glare during nighttime conditions, some form of automatic dimming should be used to reduce the brilliance of the signal indication.

TaracksA: /* {{SpanID|902.5.3}}902.5.3 Positions of Signal Indications Within a Signal Face – General (MUTCD Section 4E.03) */

2025-10-06T11:48:33Z

{{SpanID|902.5.3}}902.5.3 Positions of Signal Indications Within a Signal Face – General (MUTCD Section 4E.03)

← Older revision		Revision as of 06:48, 6 October 2025
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	'''Support'''. Standardization of the number and arrangements of signal sections in vehicular traffic control signal faces enables road users who are color vision deficient to identify the illuminated color by its position relative to other signal sections.		'''Support'''. Standardization of the number and arrangements of signal sections in vehicular traffic control signal faces enables road users who are color vision deficient to identify the illuminated color by its position relative to other signal sections.

	'''Standard. '''Unless otherwise provided in the EPG for a particular application, each signal face at a signalized location shall have three, four, or five signal sections. Unless otherwise provided in ~~this Manual~~ for a particular application, if a vertical signal face includes a cluster (see [[902.5 Traffic Control Signal Indications (MUTCD Chapter 4E) #902.5.4\|EPG 902.5.4]]), the signal face shall have at least three vertical positions.		'''Standard. '''Unless otherwise provided in the EPG for a particular application, each signal face at a signalized location shall have three, four, or five signal sections. Unless otherwise provided in the EPG for a particular application, if a vertical signal face includes a cluster (see [[902.5 Traffic Control Signal Indications (MUTCD Chapter 4E) #902.5.4\|EPG 902.5.4]]), the signal face shall have at least three vertical positions.

	A single-section signal face shall be permitted at a traffic control signal if it consists of a continuously-displayed GREEN ARROW signal indication that is being used to indicate a continuous movement and positioned vertically upward to indicate a straight-through movement.		A single-section signal face shall be permitted at a traffic control signal if it consists of a continuously-displayed GREEN ARROW signal indication that is being used to indicate a continuous movement and positioned vertically upward to indicate a straight-through movement.

TaracksA: Undo revision 56555 by TaracksA (talk)

2025-09-25T19:58:01Z

Undo revision 56555 by TaracksA (talk)

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TaracksA at 19:55, 25 September 2025

2025-09-25T19:55:31Z

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← Older revision		Revision as of 12:32, 25 November 2025
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	{{SpanID\|fig902.5.1}}		{{SpanID\|fig902.5.1}}
	[[File:~~Fig4E~~-~~1_TypicalU-TurnSignal_v2~~.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|100px\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]		[[File:Figure 902.5.1 Typical Arrangement of U-Turn Signal Faces.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|100px\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]

	=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==		=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==

← Older revision		Revision as of 12:23, 11 November 2025
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	{{SpanID\|fig902.5.1}}		{{SpanID\|fig902.5.1}}
	[[File:Fig4E-1_TypicalU-~~TurnSignal~~.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|~~400px~~\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]		[[File:Fig4E-1_TypicalU-TurnSignal_v2.jpg\|center\|thumb\|alt=A vertically arranged signal face with three signal indications is shown. Each indication is shown as a vertical arrow that curves to the left and down to form an inverted "U" shape. From top to bottom, the indications are shown with a U-turn red arrow, a U-turn yellow arrow, and a U-turn green arrow. \|100px\|'''Figure 902.5.1''' Typical Arrangement of U-Turn Signal Faces]]

	=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==		=={{SpanID\|902.5.2}}902.5.2 Size of Vehicular Signal Indications (MUTCD Section 4E.02)==