1. TDOT’s WORK ZONE SAFETY AND MOBILITY MANUAL Use & Implementation of Transportation Management Plan AASHTO Subcommittee on Design Dyan C. Damron, P.E. – Neel-Schaffer, Inc. July 15, 2008

2. Today’s Session Present Manual Present Manual Present TMP Workbook Present TMP Workbook Discussion Discussion

3. Work Zone Manual Part 1 – Purpose & Commitment Part 1 – Purpose & Commitment Part 2 – Procedures & Initiatives Part 2 – Procedures & Initiatives Part 3 – Significant Assessment Part 3 – Significant Assessment Part 4 – TMP Development Part 4 – TMP Development TMP Workbook TMP Workbook

4. Work Zone Manual Describes background and details for completing the TMP Workbook Describes background and details for completing the TMP Workbook To be used as a reference to the Workbook To be used as a reference to the Workbook Descriptive “how-to” for completion of Workbook Descriptive “how-to” for completion of Workbook

5. Part 1 – Purpose & Commitment Department has taken the initiative to apply this process to all projects under TDOT control Department has taken the initiative to apply this process to all projects under TDOT control Three Primary Goals Three Primary Goals –Maximize safety –Minimize delay –Promote consistency

6. Part 2 – Procedures & Initiatives Roles & Responsibilities Roles & Responsibilities Types of Projects Types of Projects –PPRM, Design, Structures, Maintenance Processes Processes –Not to change current, just tying it all together

11. Part 2 – Procedures & Initiatives Standing TMP’s Standing TMP’s –Routine, recurring activities/projects within the Design or Maintenance Divisions –Ex: resurfacing, pot hole repair, on-call contract activities Exempt Activities Exempt Activities –Ex: litter removal, mowing, etc.

12. Part 2 – Procedures & Initiatives Training Training –All personnel involved in the development, design, implementation, operation, inspection and enforcement of work zone related transportation management and traffic control Performance Assessment Performance Assessment Process Review Process Review –Standing Committee on Work Zones

13. Part 3 – Significance Assessment Considerations for Assessment Considerations for Assessment –Project Location –ADT –Urban/Rural Setting –Route Type

14. Part 3 – Significance Assessment A Significant Project is one for which any of the following criteria exist: On the interstate system located within a recognized TMA that occupies a given location for at least three days duration with either continuous or intermittent lane closures. On the interstate system located within a recognized TMA that occupies a given location for at least three days duration with either continuous or intermittent lane closures. On an interstate route or any route with an AADT of at least 50,000 vehicles per day for which all lanes in one direction will be closed to traffic. On an interstate route or any route with an AADT of at least 50,000 vehicles per day for which all lanes in one direction will be closed to traffic. The delay through the limits of the work zone is at least 30 minutes above the normal delay under typical non-work conditions. The delay through the limits of the work zone is at least 30 minutes above the normal delay under typical non-work conditions. Deemed Significant by extraordinary qualitative characteristics. This determination may be made on the basis of conditions such as high levels of public interest, business/community impacts, or long work zone duration. Deemed Significant by extraordinary qualitative characteristics. This determination may be made on the basis of conditions such as high levels of public interest, business/community impacts, or long work zone duration.

16. Part 3 – Significance Assessment Can also consider qualitative criteria Can also consider qualitative criteria –Business impacts –Detour effects –Effect on public –Careful consideration

17. Part 4 – TMP Development Description of Potential Strategies Description of Potential Strategies –TTC, TO, PI - comprehensive list of strategies –Based on current Department practice –Encourages consideration of innovative practices

18. Part 4 – TMP Development Temporary Traffic Control Temporary Traffic Control –Work Zone Construction Strategies –Traffic Control and Safety Device Strategies –Coordination and Contracting Strategies –Advanced Material and Methodology Strategies

19. Part 4 – TMP Development Transportation Operations Transportation Operations –Travel Demand Management Strategies –Corridor/Network Management Strategies –Work Zone Safety Management Strategies –Traffic/Incident Management Strategies –Enforcement Strategies –Personnel/Stakeholder Utilization Strategies

20. Part 4 – TMP Development Public Information Public Information –Public Awareness Strategies –Motorist Information Strategies –TDOT’s Public Involvement Plan

21. Part 4 – TMP Development Three types of Projects Significant Significant –as defined in Part 3 determination –requires TTC, TO, and PI strategies Intermediate Intermediate –not Significant but additional impacts may be created –requires TTC, and either TO or PI strategies Basic Basic –minimal impacts –requires TTC only

22. TMP Workbook TMP = Transportation Management Plan TMP = Transportation Management Plan Six-page document Six-page document User-friendly User-friendly Easy to follow steps Easy to follow steps Can be completed by hand or electronically Can be completed by hand or electronically Completed by the appropriate Manager Completed by the appropriate Manager

30. Implementation The Manual is a dynamic document The Manual is a dynamic document The Work Zone Committee will evaluate after first year of use The Work Zone Committee will evaluate after first year of use Committee also charged with: Committee also charged with: –Process Review –Training of staff & law enforcement –Subpart K compliance

31. FTP Site for downloading TDOT’s Work Zone Manual: ftp://ftp.neel- schaffer.com/tennessee/Nashville/Public/ workzone/ ftp://ftp.neel- schaffer.com/tennessee/Nashville/Public/ workzone/ ftp://ftp.neel- schaffer.com/tennessee/Nashville/Public/ workzone/