Work Zone Mobility and Safety Program

Michigan Department of Transportation
Transportation Management Plans (Presentation)

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Slide 1. Work Zone Safety and Mobility

Transportation Management Plans

Jason Gutting, P.E.
Michigan Department of Transportation

Slide 2. TMP Process

  • Work Zone Safety and Mobility Policy
    • Developed by cross sectional team
      • Planners, Traffic and Safety, Development, Communications, etc.
    • Effective September 1, 2007
    • Guidance Document
    • Applies to all MDOT work zones (construction, maintenance, permits/utilities)
  • Work Zone Safety and Mobility Manual
    • Roles, responsibilities, strategies, etc.
  • TMP process created while preparing the manual

Slide 3. TMP Contents

  • Transportation Management Plans (TMP)
    • Required on all projects
    • Temporary Traffic Control Plan (TTCP)
    • Transportation Operations Plan (TOP)
    • Public Information Plan (PIP)
  • Significant Project
    • TTCP, TOP and PIP Required
  • Non-Significant Project
    • TTCP Required
    • TOP and PIP Recommended

Slide 4. TMP Development

  • TMP development begins in the project planning and scoping phase
    • Involves planning and design staff
    • Incorporates big picture issues
    • Further details as project progresses
    • Allows more accurate programming and budgets
      • Maintaining traffic schemes (Temporary structure for maintaining traffic, crossovers, etc.)
      • Temporary ITS applications
      • Coordination with corridor and network projects

Slide 5. TMP Development

  • Project Design Phase
    • Details flushed out
    • Primary TMP development occurs during this stage in parallel with plan completion
    • Project delivery staff are engaged for better coordination and constructability reviews
    • Pay items are incorporated into the project plans and specifications
    • Special provisions are documented for project specific and/or unique issues

Slide 6. TMP Development

  • Statewide Peer Review Team (SPRT)
    • Mobility analysis and thresholds
      • Travel Time
      • Level of Service
      • Volume to Capacity Ratio
    • Project Rating system
      • Review Form
      • Red, Yellow, Green
      • Executive level engagement
    • Benefits
      • Check and balance for mobility issues
      • Feedback from other areas
      • Statewide Work Zone Administrator provides consistency
      • Staff have been very receptive of this review

Slide 7. TMP Implementation

  • Responsibility of project delivery staff
  • Strategy implementation
  • Changes, variations, etc. provided to development staff

Slide 8. TMP Implementation

  • Performance
    • Performance monitoring
      • Worksite trailers
      • Travel time
      • Queues
      • Cameras / Detectors
    • Crashes
      • How much did accidents decrease because of mitigation measures and comparable projects
      • Did accident severity decrease
    • Measurements versus expectations
      • How did actual measured delay compare with expected delay (travel time, queues)
    • Project documentation

Slide 9. TMP Lessons Learned

  • A TMP template was created to assist project development staff with TMP submittals
    • Uniformity
    • Critical Focus Area
  • TMP reviews are now conducted as needed versus at pre-determined dates
    • Less Time Crunch
    • Better Quality
    • Better Use of Staff Resources
    • Faster Response for Project Offices

Slide 10. TMP Lessons Learned

  • Public involvement in the TMP development is critical
  • Crash Analysis
  • Accurate Traffic Data

Slide 11. Work Zone Safety and Mobility Manual

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