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The briefing outlines the update purpose, including incorporating recent AASHTO Green Book changes, improving bicycle and pedestrian accommodation guidance, and increasing focus on safety considerations and analysis. It summarizes an RDM update history from 2004 through 2018, describes the update initiation and phased process, and lists needed improvements specifically for pedestrian elements across planning and scenario-based delivery. Key contacts conclude the 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is the purpose of the Roadway Design Manual update in this briefing?","Question",{"text":112,"@type":113},"The update aims to reflect recent AASHTO Green Book changes, address needed backlog updates, reorganize guidance where appropriate, strengthen direction for bicycle and pedestrian accommodations, and add greater emphasis on safety considerations and analysis.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What major historical changes are highlighted from 2004 to 2018?",{"text":117,"@type":113},"The history covers alignment with access management guidance (2004), added pedestrian considerations in driveway design (2005), added sections for Super 2 highways and mobility corridor design criteria (2006), delegation of design exceptions to districts (2010), multiple safety and cross-section/ADA-related updates (2013), revisions for median barrier and MBGF guidance (2014), and addition of THFN criteria (2018).",{"name":119,"@type":110,"acceptedAnswer":120},"How will the manual update be approached and executed?",{"text":121,"@type":113},"The process uses a staggered, multi-phase schedule across a two-year period, with a phased approach that includes multiple tiers of RDM updates plus updates to other related manuals, and development of high-level training on the changes.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},639995,1792706807,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":44,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":143,"preview_page_count":4},962090893776,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","TXDOT’S ROADWAY DESIGN MANUAL UPDATE  \nTexas Pedestrian Safety Forum August 22, 2019  \nAugust 22, 2019  \nRoadway Design Manual (RDM) Update Purpose  \n􀂃 Recent ASSHTO Green Book Update (7th Edition)  \n􀂃 A backlog of needed updates to take care of  \n􀂃 Opportunity to look at some reorganization opportunities  \n􀂃 Improve guidance and direction for bicycle accommodation and pedestrian accommodation  \n􀂃 Include increased emphasis on safety considerations and analysis  \n2019 Texas Pedestrian Safety Forum   \nRDM Update History  \n􀂃 2004  \n– RDM brought in line with (or references to) the Access Management Manual.  \n– “Significant changes” to the Urban Streets – Speed Change Lanes section.  \n– Location of aux lanes relative to vertical curves.  \n– More “median opening” and “speed change lanes” criteria.  \n– Conversion of 2-way to 1-way frontage roads.  \n􀂃 2005  \n– Appendix C (driveway design) added, including pedestrian considerationsand guidelines  \n􀂃 2006  \n– Add Section 6 of Chapter 4 “Super 2 Highways”  \n– Add Chapter 8,“Mobility Corridor (5R) Design Criteria”(85 to 100mph speeds)  \n􀂃 2010  \n– Design exceptions delegated to the Districts.  \n– Expanded guidance of Super 2 highways.  \n– Application of 2R guidelines for non-NHS roads w/ ADT \u003C 2500 per lane.  \n2019 Texas Pedestrian Safety Forum   \nRDM Update History  \n􀂃 2013  \n– Make “lateral offset” a design exception.  \n– Bring the RDM, Chapter 2 (Basic Criteria) in line with 2011 Green Book.  \n– Metric version “no longer shown but may be viewed in PDF format by accessing link”.  \n– Sight distance clarifications (Chapter 2, various sections)  \n– Horizontal curves and superelevation updates.  \n– Minor vertical curve statements.  \n– “Cross-Sectional Elements” updated to ADA PROWAG and TAS standards.  \n– Included / clarified accommodations for bikes and sidewalks for cross sectional elements.  \n– Drainage – Minor edits.  \n􀂃 2014  \n– Appendices A & C revisions for 31” MBGF and median barrier guidance + minor edits  \n􀂃 2018  \n– Addition of THFN (Tx Hwy Freight Network) criteria.  \n2019 Texas Pedestrian Safety Forum   \nRDM Update Process Initiation  \n􀂃 Developed initial broad, but detailed list of needs for scope development  \n􀂃 Initiated coordination for consultant selection December 2018  \n􀂃 RFQ Posted March 2019  \n􀂃 Consultant selected May 2019  \n􀂃 Negotiations effectively complete August 2019  \n􀂃 Contract kick-off expected late September 2019  \n2019 Texas Pedestrian Safety Forum   \nManual Update Approach  \n􀂃 Staggered approach covering multiple phases over a two-year period  \n􀂃 Scope focused on RDM, but also includes other manuals  \n– Project Development Process Manual (PDP)  \n– PS&E Processing Manual  \n– Access Management Manual  \n– Landscape and Aesthetics Design Manual  \n– Traffic Operations and Safety Analysis (new)  \n􀂃 Phased Approach  \n– Multiple Tiers of RDM Updates  \n– Other Manual Updates  \n– High Level Training Development on Updates  \n2019 Texas Pedestrian Safety Forum   \nSpecific to Pedestrian Elements  \nWhat guidance improvements are needed?  \n􀂃 Status for how to build various elements?  \n􀂃 Status of identifying what projects should address pedestrian elements?  \n􀂃 Status of understanding what to do when, across range of scenarios?  \n􀂃 Status of planning adequate solutions to support project scoping?  \n􀂃 Status of having the right message, delivered to the right people, at the right frequency?  \n􀂃 Discussing possible interim document (not just another memo)  \n– Intended to drive the ultimate RDM update  \n– Can make available sooner than later  \n– Post for consistent availability and understanding  \n– Support with informational webinars for improved awareness and understanding  \n– Some information applicable to the RDM, with other applicable to the PDP  \n2019 Texas Pedestrian Safety Forum   \nAvoiding the Ultimate Trade-off  \nNot planning and providing adequately for pedestrians  \n2019 Texas Pedestrian Safety Forum   \nThank you!  \nQuestions?  \nCamille Thomason, P.E. , PMP  \nT","cbCain1gkAJGWP8e","https://ap.wps.com/l/cbCain1gkAJGWP8e","pdf",716270,"English","# RDM Update Purpose\n# RDM Update History\n## 2004\n## 2005\n## 2006\n## 2010\n## 2013\n## 2014\n## 2018\n# RDM Update Process Initiation\n# Manual Update Approach\n## Staggered/phased approach\n# Specific to Pedestrian Elements\n## Guidance improvements needed\n## Avoiding the Ultimate Trade-off","[{\"question\":\"What is the purpose of the Roadway Design Manual update in this briefing?\",\"answer\":\"The update aims to reflect recent AASHTO Green Book changes, address needed backlog updates, reorganize guidance where appropriate, strengthen direction for bicycle and pedestrian accommodations, and add greater emphasis on safety considerations and analysis.\"},{\"question\":\"What major historical changes are highlighted from 2004 to 2018?\",\"answer\":\"The history covers alignment with access management guidance (2004), added pedestrian considerations in driveway design (2005), added sections for Super 2 highways and mobility corridor design criteria (2006), delegation of design exceptions to districts (2010), multiple safety and cross-section/ADA-related updates (2013), revisions for median barrier and MBGF guidance (2014), and addition of THFN criteria (2018).\"},{\"question\":\"How will the manual update be approached and executed?\",\"answer\":\"The process uses a staggered, multi-phase schedule across a two-year period, with a phased approach that includes multiple tiers of RDM updates plus updates to other related manuals, and development of high-level training on the changes.\"}]","THOMASON - TXDOT’S Roadway Design Manual Update - Pedestrian Safety Forum Notes | PDF",23]