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|rowspan="2" align="right" |'''<font color = "white"><font size = 4.7><i>HELPFUL EPG VIDEOS: </i></font color="white"></font size = 5>|| ||align="left"|''' <BIG><font color = "white"><i>'''[[media:Logging into the EPG.wmv|•Logging into the EPG]]</i></font color="white"> ||align="left"|''' <BIG><font color = "white"><i>'''[[media:Help Finding EPG Info.wmv|•Finding Info in the EPG]]</i></font color="white">'''
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| ||align="left" colspan="2"|''' <Big><font color = "white"><i>[[media:Article History and Receiving.wmv|•Article History & How to Receive EMails When Articles are Revised]]</i></font color="white">
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Our mission is to provide a world-class transportation system that is</br>safe, innovative, reliable and dedicated to a prosperous Missouri.
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|colspan="4" align="center"| <sup>'''___________'''</sup>
 
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|colspan="4" align="center"| '''<Big><font color = "white"><i>Want help on how to update your EPG guidance? &nbsp;It is available at [[:Help Article#EPG Approval Process|EPG Approval Process]].'''</i></font color="white">
 
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|colspan="4" align="center"| <sup>'''___________'''</sup>
 
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|colspan="4" align="center"| '''<Big><font color = "white"><i>[http://www.modot.org/business/standards_and_specs/highwayspecs.htm The Electronic MoDOT Spec Book for Mobile Devices] is now available. You may also [https://www6.modot.mo.gov/eMoDOTWeb/jsp/signon/signon.jsp sign up for E-Update notices]. To receive notices regarding Engineering Policy Revisions, select "Engineering Policy" then mark the appropriate subjects of interest. '''</i></font color="white">
 
 
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|style="border: 1px solid #696969; color: #000; background-color: #A9A9A9"|<big><center>'''<font color = "white"><i>WELCOME'''</i></font color="white"></center></big>
 
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| valign="top" width="60%" cellspacing="3" cellpadding="3" style="border: 1px solid #FF8C00; background:#FFA500" align="center"|'''<big><font color="white"><i>RECENT POLICY CHANGES IN THE EPG</i></font color="white"></big>'''
 
 
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|valign="top" style="border: 1px solid #A9A9A9; color: #000; background-color: #F8F8FF"|
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| [[image:Google search.png|200px|bottom|link=https://epg.modot.org/modot/EPG_GoogleSearch.html]]
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{| style="margin: 1em auto 1em auto"
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| [[image:recent_changes.png|200px|bottom|link=Recent Policy Changes in the EPG]]
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|[[image:Main Page Oct 31, 2017.jpg|center|400px]]<br/>'''<center>Above, Jefferson City’s Mayor Carrie Tergin (left) joins Structural Liaison Engineer Michele Atkinson for a selfie after declaring “Buckle Up Phone Down Day” in the city. The mayor knows how to promote a good thing!'''<br/>[[image:Main Page 2 Oct 31, 2017.jpg|center|400px]]
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| [[image:TA_image.png|200px|bottom|link=616.8_Typical_Applications_(MUTCD_6H)#616.8.2.1_Typical_Applications]]
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| [[image:MASH_info.png|200px|bottom|link=https://epg.modot.org/files/c/ce/MASH_Implementation.pdf]]
 
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|[[image:Main Page Sep 19, 2017.jpg|center|400px|thumb|''' Watch [https://www.facebook.com/GreatRiversGreenway/videos/1080609398742001/ crews install new pedestrian bridges for the Centennial Greenway Expansion]. It’s part of the Great Rivers Greenway Centennial Greenway project, which calls for a 17 mile corridor between Forest Park in St. Louis to St. Peters in St. Charles County.        </center> ''']]
 
 
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MoDOT has made great strides to build a good transportation system and increase taxpayers' trust in its ability to deliver what was promised. Innovative concepts, such as [[:Category:143 Practical Design|Practical Design]] and [[:Category:139 Design - Build|design-build]], were used to deliver those commitments and have made MoDOT a leader in the transportation industry.   
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<div style="margin-top:12px; font-size:95%; padding:5px; border:1px solid black;background-color:white; color:black; border-radius:5px; box-shadow:5px 5px 5px #888888">
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<b>MoDOT’s three pillars of “Safety, Service and Stability” steer our leadership and employees.  Our commitment to safety includes keeping both customers and ourselves safe.  Our service includes providing outstanding customer service, delivering transportation solutions of great value and using resources wisely.  Keeping roads and bridges in good condition, operating a reliable and convenient transportation system, and advancing Missouri’s economic development reflect our commitment to stability.<br/>Innovative concepts, such as [[:Category:143 Practical Design|Practical Design]] and [[:Category:139 Design - Build|design-build]], are used to deliver our commitments.  These and other forward-thinking concepts shape the content of the ENGINEERING POLICY GUIDE (EPG). This document provides a single reference for all engineering and engineering-related [https://modotgov.sharepoint.com/sites/br Bridge], [https://modotgov.sharepoint.com/sites/cm Construction], [https://modotgov.sharepoint.com/sites/DE/ Design], [https://modotgov.sharepoint.com/sites/ts Highway Safety & Traffic], [https://modotgov.sharepoint.com/sites/mt Maintenance], [https://modotgov.sharepoint.com/sites/tp Planning] and [https://modotgov.sharepoint.com/sites/DE/SitePages/Right-of-Way.aspx Right of Way] guidance.</b>
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These forward-thinking, innovative concepts are reflected in the ''ENGINEERING POLICY GUIDE'' (EPG). This document provides a single reference for all engineering and engineering-related guidance by combining the former [http://sharepoint/sites/de/RealEstate/SitePages/Home.aspx Right of Way], [http://sharepoint/sites/de/Pages/default.aspx Design], [http://sharepoint/systemdelivery/br/pages/default.aspx Bridge], [http://sharepoint/systemdelivery/cm/Pages/default.aspx Construction], [http://sharepoint/systemdelivery/tr/Pages/default.aspx Traffic] and [http://sharepoint/systemdelivery/mt/default.aspx Maintenance] manuals.
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MediaWiki, the engine behind the Wikipedia on the World Wide Web, is the software delivering the EPG.  Over 40 million hits on the EPG endorse this format to be easy to navigate and pleasing to read.  A small [[:Help:Contents|'''HELP ARTICLE''']] is included to assist with helpful hints on how to use the EPG as well as other points of interest.
 
  
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|colspan="5" | <font size = 2> '''Perhaps you've wondered how many hits the most popular EPG articles have. As of early November, the numbers of hits are:'''
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| [[image:Broken link.png|200px|bottom|link=mailto:engineering.policy@modot.mo.gov?Subject=Report%20a%20broken%20link&Body=Please%20include%20the%20broken%20link,%20article%20number%20and%20a%20screenshot%20if%20possible]]
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| [[image:Approval process.png|200px|bottom|link=Help_Article#EPS_Approval_Process]]
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| [[image:E-update.png|200px|bottom|link=Help_article#Signing_Up_for_E-Updates]]
 
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|<font size=2>'''20.'''  [[:Category:136 Local Public Agency (LPA) Policy|EPG 136]]||<font size = 2> 165179
 
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  ||&nbsp;<font size = 2>'''10.''' [[751.5 Standard Details|EPG 751.5]]|| align="right"| <font size = 2> 227933
 
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|<font size = 2>'''19.'''  [[:Category:134 Engineering Professional Services|EPG 134]]||<font size = 2> 169980    ||&nbsp;<font size = 2>'''9.'''  [[:Category:600 INCIDENTAL CONSTRUCTION|EPG 600]]||align="right"|<font size = 2> 260121
 
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|<font size = 2>'''18.'''  [[751.40 Widening and Repair (Non-LRFD)|EPG 751.40]]||<font size = 2> 170196  ||&nbsp;<font size = 2>'''8.'''  [[616.23 Traffic Control for Field Operations|EPG 616.23]]||align="right"|<font size = 2> 269131
 
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|<font size = 2>'''17.'''    [[136.4 Consultant Selection and Consultant Contract Management|EPG 136.4]]||<font size = 2> 177544    ||&nbsp;<font size = 2>'''7.''' [[:Category:100 GENERAL|EPG 100]]||align="right"|<font size = 2> 310449
 
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|<font size = 2>'''16.'''    [[620.2 Pavement and Curb Markings (MUTCD Chapter 3B)|EPG 620.2]]||<font size = 2> 185879  ||&nbsp;<font size = 2>'''6.'''  [[:Category:700 STRUCTURES AND HYDRAULICS|EPG 700]]||align="right"|<font size = 2> 324093
 
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|<font size = 2>'''15.'''    [[:Category:200 GEOMETRICS|EPG 200]]||<font size = 2> 192675  ||&nbsp;<font size = 2>'''5.'''  [[:Category:900 TRAFFIC CONTROL|EPG 900]]||align="right"|<font size = 2> 344720
 
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|<font size = 2>'''14.'''    [[:Category:903 Highway Signing|EPG 903]]||<font size = 2> 192748  ||&nbsp;<font size = 2>'''4.'''  [[:Category:101 Standard Forms|EPG 101]]||align="right"|<font size = 2> 366073
 
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|<font size = 2>'''13.'''    [[751.50 Standard Detailing Notes|EPG 751.50]]||<font size = 2> 193624      ||&nbsp;<font size = 2>'''3.''' [[136.12 Figures, Glossary and Other Useful Links|EPG 136.12]] ||align="right"|<font size = 2> 375245
 
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|<font size = 2>'''12.'''    [[136.9 Plans, Specs and Estimates (PSE)|EPG 136.9]]||<font size = 2> 209132  ||&nbsp;<font size = 2>'''2.''' [[:Category:751 LRFD Bridge Design Guidelines|EPG 751]]||align="right"|<font size = 2> 446391
 
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|width="130"|<font size = 2>'''11.'''    [[:Category:616 Temporary Traffic Control|EPG 616]]||<font size = 2> 216514  || width="150"|&nbsp;<font size = 2>'''1.''' EPG Main Page||align="right"|<font size = 2> 2960948
 
 
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'''Design Exception Process'''
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<b>The design concepts and criteria within the Engineering Policy Guide (EPG) are intended for use when designing new construction projects on new locations or designing reconstruction projects on existing locations.  Projects on existing roadways call for a flexible, practical, and performance-based approach to design.  The EPG encourages flexible and practical design, which emphasizes the role of the planning and design teams in determining appropriate design dimensions based on project-specific conditions and existing and future roadway performance, more than on meeting specific nominal design criteria. Although new design values and concepts may be presented throughout the EPG, this does not imply that existing roadways are unsafe, nor does it mandate the initiation of projects to improve existing roadways. While the EPG does include nearly all engineering related aspects of roadway design and maintenance it is not all encompassing. The use of properly equipped and maintained vehicles, operated by a capable user, is also pertinent to the safe and efficient operation of a transportation facility.</b>
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11/6/17: In [[131.1 Design Exception Process#A copy of every fully approved|EPG 131.1.4]], was updated to show that CO Design does not need to file a copy of every approved design exception. These should simply be stored in eProjects.  Also, the formal submittal letter is no longer needed. Project context can be provided directly on the design exception form.
 
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'''[[127.13 Noise#127.13.12 MoDOT Procedures for Assessment and Abatement of Highway Traffic and Construction Noise|EPG 127.13.12 MoDOT Procedures for Assessment and Abatement of Highway Traffic and Construction Noise]]
 
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11/3/17: New EPG 127.13.12 provides guidance for developing a sound study and report. Other revisions to [[127.13 Noise|EPG 127.13 Noise]] clarify and expand definitions and the analysis of traffic noise impacts and mitigation.
 
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'''Valley Section Locations'''
 
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−
11/3/17: [[238.3 Route Surveying#238.3.36 Bridge Surveys|EPG 238.3.36 Bridge Surveys]] was updated to reflect changes in responsibility. In [[:Category:747 Bridge Reports and Layouts#747.1 Bridge Survey Location Request|EPG 747.1 Bridge Survey Location Request]] and [[750.3 Bridges#750.3.1.1 Survey Locations|EPG 750.3.1.1 Survey Locations]], guidance for district submittal of request for valley section locations was expanded.
 
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'''Discharging into a MSE Wall Backfill'''
 
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11/3/17: In [[:Category:747 Bridge Reports and Layouts#747.2.6.2 Mechanically Stabilized Earth (MSE) Wall Systems|EPG 747.2.6.2 Mechanically Stabilized Earth (MSE) Wall Systems]], [[751.1 Preliminary Design|EPG 751.1 Preliminary Design]], [[751.10 General Superstructure#751.10.3 Bridge Deck Drainage - Slab Drains |EPG 751.10.3 Bridge Deck Drainage - Slab Drains]] and [[751.24 LFD Retaining Walls#751.24.2.1 Design|EPG 751.24.2.1 Design]], guidance for bridge deck drain, approach drainage, roadway drainage or collected drain water discharging into a MSE wall backfill area was revised.
 
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'''[[751.40 Widening and Repair (LFD and Not Updated)#751.40.1.2 Steel HP Pile Maintenance and Repair|EPG 751.40.1.2 Steel HP Pile Maintenance and Repair]]'''
 
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11/3/17: New EPG 751.40.1.2 Steel HP Pile Maintenance and Repair presents guidelines to be used by Bridge maintenance or district maintenance to maintain or repair existing steel HP piles.   
 
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'''Sealed Joint Design'''
 
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10/27/17: Much of [[751.13 Expansion Devices|EPG 751.13 Expansion Devices]] was revised to reflect the improved design and details for both Preformed Compression and Strip Seal Expansion Joint Systems. New designs and details for Preformed Silicon or EPDM Seal Expansion Joint Systems were also issued. Numerous standard detail notes were revised or added in [[751.50 Standard Detailing Notes#H5c. Preformed Compression Seal (Notes for Bridge Standard Drawings)|EPG 751.50 H5c, H5d and H5e]].
 
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'''Required Number of Strands '''
 
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10/13/17: In [[751.22 P/S Concrete I Girders#751.22.1.1 Material Properties|EPG 751.22.1.1 Material Properties]] and [[751.23 P/S Concrete Double Tee#751.23.1.1 Material Properties|EPG 751.23.1.1 Material Properties]], guidance was expanded for reporting on the girder plans the required number of strands by design and the total initial prestress force.
 
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'''[[236.5 Property Management#236.5.25.6 Security Assessment for Leased Areas Over or Under Highway Structures|EPG 236.5.25.6 Security Assessment for Leased Areas Over or Under Highway Structures]]'''
 
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10/11/17: A table was added to clarify policies for storing items under bridges.
 
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'''Licensing of Junkyard'''
 
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10/11/17: The junkyard expiration date was updated in [[236.17 Junkyards#236.17.4.2 Issuing a New License|EPG 236.17.4.2 Issuing a New License]] and [[236.17 Junkyards#236.17.5 Junkyard Renewal|EPG 236.17.5 Junkyard Renewal]] to match the statutes.
 
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'''[[237.13 Contract Plan File Name Convention#237.13.2 Electronic Design Data|EPG 237.13.2 Electronic Design Data]]'''
 
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10/10/17: The list of electronic design data files generated from GEOPAK for Roadway Contract Plans was updated.
 
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'''End of Slab Guidance'''
 
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9/29/17: In [[751.10 General Superstructure#751.10.1.10 Slab Offsets for Curved Bridges|EPG 751.10.1.10 Slab Offsets for Curved Bridges]] and [[751.10 General Superstructure#751.10.1.16 Plan of Slab Details|EPG 751.10.1.16 Plan of Slab Details]], guidance was clarified about how to show and identify the end of slab in a plan of slab detail when expansion joint systems are located at the end bents.  In [[751.6 General Quantities#751.6.2.10 Bridge Slabs|EPG 751.6.2.10 Bridge Slabs]] and
 
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[[751.50 Standard Detailing Notes#B3c. Slabs on Steel, Concrete and Semi-Deep Abutment, and Reinforced Concrete Slab Overlays|Note B3.21]], guidance about how to estimate slab quantities when expansion joint systems are present was clarified.
 
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'''[[751.5 Structural Detailing Guidelines#751.5.1.4 Contract Addendums and Construction Changes|EPG 751.5.1.4 Contract Addendums and Construction Changes]]'''
 
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9/28/17: Guidance for change orders to bridge plans was clarified.
 
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'''Work Zone Transportation Management Plan'''
 
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9/27/17: In [[616.14 Work Zone Safety and Mobility Policy#616.14.8 Significant Projects|EPG 616.14.8 Significant Projects]], the criteria of "significant project" was revised. The requirements for TCP were revised in [[616.14 Work Zone Safety and Mobility Policy#616.14.10 Work Zone Transportation Management Plan|EPG 616.14.10 Work Zone Transportation Management Plan]].
 
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'''[[236.5 Property Management#236.5.19 Survey Requirements|EPG 236.5.19 Survey Requirements]]'''
 
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9/19/17: Guidance about who may prepare legal descriptions was clarified and brought into compliance with new legislation.
 
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'''[[616.8 Typical Applications (MUTCD 6H)|Typical Applications]]'''
 
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9/18/17: MoDOT is implementing the National Safety Council’s 3-2-1 Cone Procedure for internal operations. [[media:616.8.10 MT 2017.pdf|TA-10]], [[media:616.8.10a MT 2017.pdf|TA-10a]] and [[media:616.8.10g MT 2017.pdf|TA-10g]] were updated to reflect the new cone procedure.
 
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'''[[751.22 P/S Concrete I Girders#Harped Strands|EPG 751.22.2.2 Prestressing Strands]]'''
 
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9/12/17: Clarified guidance that distances to hold-down devices and between hold-down devices for prestressed girders and beams should be reported on the plans to the nearest inch.
 
−
 
 
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'''[[236.16 Outdoor Advertising#236.16.11 Cutout and Extension Process|EPG 236.16.11 Cutout and Extension Process]]'''
 
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9/1/17: Guidance for the cutout and extension process was updated to reflect current statutes.
 
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'''[[236.4 Description Writing and Titles#236.4.4.1 Purpose|EPG 236.4.4.1 Purpose]]'''
 
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9/1/17: A checklist of items to determine property ownership for ADA projects was added.
 
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'''Bridge Clearances'''
 
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8/31/17: Guidance for bridge clearances was clarified in [[751.1 Preliminary Design#751.1.2.6 Vertical and Horizontal Clearances|EPG 751.1.2.6 Vertical and Horizontal Clearances]], [[751.1 Preliminary Design#751.1.2.16 Bridges Over Railroads|EPG 751.1.2.16 Bridges Over Railroads]], [[751.1 Preliminary Design#751.1.2.19.2 Content|EPG 751.1.2.19.2 Content]], [[751.5 Structural Detailing Guidelines#751.5.2.1.1.5 Features Crossed|EPG 751.5.2.1.1.5 Features Crossed]] and [[751.5 Structural Detailing Guidelines#751.5.2.1.2.7 Features Crossed|EPG 751.5.2.1.2.7 Features Crossed]].  In EPG 751.50 Standard Detailing Notes, notes [[751.50 Standard Detailing Notes#Traffic Handling:|A3.7]] and [[751.50 Standard Detailing Notes#Final clearance - Bridges over Railroads|E3.5]] were also revised.
 
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'''[[643.4 Railroads#643.4.1.14 Railroad Crossing Median Islands|EPG 643.4.1.14 Railroad Crossing Median Islands]]'''
 
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8/29/17: The speed limit threshold for using raised islands at railroad crossings was reduced from 45 mph to 40 mph and an option was added for locations with a speed limit of 45 mph or greater.
 
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'''[[751.20 Continuous Concrete Slab Bridges#751.20.3.1 Solid Slabs|EPG 751.20.3.1 Solid Slabs]]'''
 
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8/24/17: The intermediate bent beam cap height for solid slab end span was revised to accommodate commercially available forming systems.
 
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'''Anchorage of Pile for Seismic Jobs'''
 
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8/14/17: Guidance for the anchorage of pile for seismic jobs was revised in [[751.36 Driven Piles#Anchorage of Piles for Seismic|EPG 751.36.2 Anchorage of Piles for Seismic Categories B, C and D]]. Also, [[751.50 Standard Detailing Notes#G7. HP Pile|related standard detailing notes]] were revised and added.
 
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'''[[:Category:625 Slab Stabilization#Measurement of the liquid asphalt cement|EPG 625.1.2 Construction Inspection for Sec 625.10 Slab Undersealing]]'''
 
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8/10/17: Guidance for the measurement of liquid asphalt cement has been clarified.
 
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'''[[:Category:760 General Construction Inspection for Structures#Bridge Work Over Traffic|EPG 760.1 Bridge Work Over Traffic]]'''
 
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8/10/17: New guidance clarifies overhead work on bridges safety policy.
 
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'''Emergency Vehicle Crossover Dimensions'''
 
  
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8/8/17: Guidance in [http://epg.modot.org/index.php?title=Category:240_Maintenance_and_Emergency_Crossovers#240.3__Maintenance_and_Emergency_Crossover_Construction_Requirements EPG 240 Maintenance and Emergency Crossovers] revised the emergency vehicle crossover dimensions to 20' wide with a 10' radius to allow better utilization by fire/EMS responders.
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<center>'''The Engineering Policy Guide is maintained via the use of Microsoft Edge. For optimal viewing quality, please choose Microsoft Edge for your browser.'''</center>
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Latest revision as of 12:52, 12 September 2024

Our mission is to provide a world-class transportation system that is
safe, innovative, reliable and dedicated to a prosperous Missouri.

Google search.png Recent changes.png TA image.png MASH info.png

MoDOT’s three pillars of “Safety, Service and Stability” steer our leadership and employees. Our commitment to safety includes keeping both customers and ourselves safe. Our service includes providing outstanding customer service, delivering transportation solutions of great value and using resources wisely. Keeping roads and bridges in good condition, operating a reliable and convenient transportation system, and advancing Missouri’s economic development reflect our commitment to stability.
Innovative concepts, such as Practical Design and design-build, are used to deliver our commitments. These and other forward-thinking concepts shape the content of the ENGINEERING POLICY GUIDE (EPG). This document provides a single reference for all engineering and engineering-related Bridge, Construction, Design, Highway Safety & Traffic, Maintenance, Planning and Right of Way guidance.

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The design concepts and criteria within the Engineering Policy Guide (EPG) are intended for use when designing new construction projects on new locations or designing reconstruction projects on existing locations. Projects on existing roadways call for a flexible, practical, and performance-based approach to design. The EPG encourages flexible and practical design, which emphasizes the role of the planning and design teams in determining appropriate design dimensions based on project-specific conditions and existing and future roadway performance, more than on meeting specific nominal design criteria. Although new design values and concepts may be presented throughout the EPG, this does not imply that existing roadways are unsafe, nor does it mandate the initiation of projects to improve existing roadways. While the EPG does include nearly all engineering related aspects of roadway design and maintenance it is not all encompassing. The use of properly equipped and maintained vehicles, operated by a capable user, is also pertinent to the safe and efficient operation of a transportation facility.

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