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SR 109 Access Management Study
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  1. SR 109 Access Management Study Technical Committee Meeting September 9, 2014

  2. Agenda • Welcome and Introductions • Project Management Report • Technical Report • Next Steps

  3. Study Area

  4. Study Goals and Objectives • Preserve and enhance the long-term safety, efficiency, economic development, and environmental resources of the SR 109 corridor • Develop an access management plan and permitting process that defines standards and policies for the location, spacing, design and operation of: • Driveways • Street connections • Median openings • Traffic signals • Interchanges

  5. Study Outcomes

  6. Project Management Report

  7. Project Management Report • Project Schedule

  8. Project Management Report • Public Workshops – Objectives • Establish a vision for the corridor • Discuss how access management can help achieve the vision for the corridor • Ask corridor stakeholders to identify areas of concern – opportunities and challenges

  9. Project Management Report • Public Workshops – Agenda • Welcome & Introductions • Presentation – Setting the Context • Establishing Corridor Values and Priorities – Priority Pyramid • Locations of Concern and Opportunities – Mapping Exercise • Establishing a Corridor Vision • Adjourn

  10. Project Management Report • Public Workshops – Location/Dates/Time • Potential locations – two meetings: • Sumner County Administration Building • Wilson County Courthouse • Potential meeting dates/time – 5:30-7:00 pm: • Wednesday and Thursday October 22 and 23 • Wednesday and Thursday October 29 and 30 • Wednesday and Thursday November 12 and 13

  11. Project Management Report • Public Workshops – Outreach • Stakeholder database • Elected and government officials • Property owners along corridor • Other major stakeholders (civic, business, and community) • Workshop announcement • MPO media contact list • State, regional, and local partners – websites and social media

  12. Technical Report: Existing Conditions and Trends

  13. Task 3 - Existing Conditions & Trends • Existing Plans & Programs – Goals & Objectives • Environmental Features & Natural Resources • Land Use and Development Patterns • Travel Demand & Transportation System Performance • Performance Measures

  14. Existing Plans & Programs

  15. Related Goals & Objectives • Maximize economic opportunity and economic competitiveness by identifying strategic development areas • Maintain the rural character of communities by encouraging development in existing community centers • Preserve environmental features by protecting natural resources • Ensure that the highway operates as a high-speed, high volume transportation facility for the movement of people and goods by managing congestion • Support all transportation modes by providing access to safe and convenient pedestrian, bicycle, and transit systems • Establish and maintain ongoing collaborative partnerships across jurisdictions and agencies by coordinating policies and standards

  16. Analytical Framework • Five segments and fourteen sub-segments • Organized by typical cross section and context • Objective is to analyze key variables at different scales

  17. Land Development and Environmental Constraints • Industrial uses anchor both ends of corridor and ends of Gallatin Bypass • Office, commercial and mixed use concentrations – from Hickory Ridge Rd. to US 70/Lebanon Rd. and adjacent to Gallatin bypass • Residential/rural uses and significant environmental features north of US 70 to River and from Gallatin Bypass to Portland • Strip commercial from River to Gallatin Bypass and through Portland Segment 1

  18. Land Development and Environmental Constraints Segment 2 Segment 3

  19. Land Development and Environmental Constraints Segment 4 Segment 5

  20. Crash Locations • Between 2011-2013, SR 109 averaged more than 430 crashes per year • 30% of the crashes resulted in injuries, including 11 fatalities • Six of the fatalities occurred between US 70 and the Gallatin Bypass • Crashes are concentrated at or near intersections and interchanges, including: • I-40 interchange area • Long Hollow Pike • SR 25/Red River Rd. • SR 52

  21. Crash Locations

  22. Crash Locations

  23. Crash Locations

  24. Crash Locations

  25. Crash Locations

  26. Crash Rates and Access Points • Crash rates on two sub-segments are twice as high as statewide averages: • I-40 interchange area • Gallatin Bypass between Nashville Pike and SR 25 • Many sub-segments are at or near statewide averages – additional development will present new challenges • Total number of access points – driveways and streets – and signalized intersections strongly impacts safety

  27. Crash Rates

  28. Crash Rates

  29. Crash Rates

  30. Crash Rates

  31. Crash Rates

  32. Access Points

  33. Access Points

  34. Access Points

  35. Access Points

  36. Access Points

  37. Traffic Volumes & Speed • Traffic volumes are projected to more than double by 2040 on SR 109 between SR 840 and Portland • The percentage of truck traffic is forecasted to increase as much as fourfold over the next 25 years • As percent of free flow speed, average peak hour speeds are lowest: • Between I-40 and US 70/Lebanon Road • On the southern end of the Gallatin Bypass • South of SR 52 in Portland

  38. Traffic Volumes

  39. Traffic Volumes

  40. Traffic Volumes

  41. Traffic Volumes

  42. Traffic Volumes

  43. Corridor Travel Time Peak period: 7 AM to 8 AM Southbound 53:45 travel time 42.3 miles per hour

  44. SR 109 Travel Time Today • Free flow • 47 minutes, 8 seconds • Peak hour delay • 6 minutes, 43 seconds

  45. Driveway connections and speed Less connections = more speed

  46. Current practice One parcel = one connection (or more)

  47. Speed guidelines TRB Access Management Manual