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Reston Network Analysis: 2030 Results and Roadway Classifications

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Reston Network Analysis: 2030 Results and Roadway Classifications

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Reston Network Analysis: 2030 Results and Roadway Classifications

  1. 1. County of Fairfax, Virginia 1 Reston Network Analysis 2030 Results & Roadway Classifications March 13, 2017: Advisory Group Meeting March 17, 2017: Stakeholders Meeting Kristin Calkins Fairfax County Department of Transportation
  2. 2. County of Fairfax, Virginia Agenda • Study Purpose • Project Progress Overview • 2050 Network & Results • Project Prioritization • 2030 Network & Results • Grid of Streets – Roadway Classifications • Next Steps • Questions and Answers 2
  3. 3. County of Fairfax, Virginia Purpose of Study • Conduct a detailed analysis of the grid of streets to determine: – Number of lanes between and at intersections – How to best serve pedestrians, bikes and transit – Right-of-way needs • Assign urban street types and modal emphasis based on Department of Rail and Public Transportation Multimodal System Design Guidelines • Conduct a phasing analysis to estimate when larger projects are needed 3
  4. 4. Data Collection • Traffic Counts in June 2015 • Travel Time Runs Existing Conditions • Capacity Analysis • Level of Service Test Grid of Streets (2030 & 2050) • Traffic Forecasting Capacity Analysis • Level of Service Mitigation • Signal re- timing • New links • Turn lanes • Additional lanes Roadway Classification • DRPT Design Guidelines • Bike lanes • Sidewalks/ Pedestrian routes • On-Street Parking • Transit Routes Finalize Grid of Streets (2030 & 2050) Based on: • Advisory Group input • Stakeholder input • Community input Phasing Analysis • Prioritization of larger projects Network Analysis Project Process Advisory Group input, Stakeholder input, Community input 4
  5. 5. County of Fairfax, Virginia Level of Service Standard • LOS E (55 – 80 seconds of average delay for signalized intersections) is the standard for the Reston Transit Station Areas • LOS F (greater than 80 seconds of average delay) is considered operationally failing • Greater than 120 seconds of delay is set as a benchmark for problem locations in the Network Analysis • These locations will likely need significant mitigation measures. 5
  6. 6. County of Fairfax, Virginia Mitigation Options • Mitigation Measures - Tiered Approach – Tier 1: No right of way (ROW) impact – Tier 2: Some right of way impact – Tier 3: Large scale mitigations • Each grid link is initially assumed to be one lane in each direction (with bike/ped facilities as specified in the Comprehensive Plan) 6
  7. 7. County of Fairfax, Virginia 2050 Network & Results 7
  8. 8. County of Fairfax, Virginia 2050 (Full Buildout) Network 8
  9. 9. County of Fairfax, Virginia Full Buildout Network 9 • All grid links are one lane in each direction • Widening of Fairfax County Parkway to 6 lanes w/ HOV as lanes 5 & 6 • South Lakes Overpass at Dulles Toll Road • Soapstone Overpass at Dulles Toll Road • Town Center Underpass at Dulles Toll Road • Interchange improvements on Fairfax County Parkway at – Sunrise Valley Drive – Spring Street • Extension of Pinecrest Road
  10. 10. County of Fairfax, Virginia Full Buildout Network (Cont.) 10 • Widening of Fox Mill Road: Reston Parkway to Monroe Street • Widening of West Ox Road: Lawyers Road to Centreville Road • Loop road through Reston Park & Ride: Reston Parkway to Lawyers Road • Rock Hill Road Overpass at DTR • Extension of McLearen Road: West Ox Road to Reston Parkway • Widening of Monroe Street from Fox Mill Road to Town of Herndon • Reston Parkway Widening: South Lakes Drive to DTR
  11. 11. County of Fairfax, Virginia Full buildout Signals 11 26 New Signals Sunrise Valley Dr. @ Wood Oak Dr. Sunrise Valley Dr. @ Commerce Park Dr. East Sunrise Valley Dr. @ Colts Brook Dr. Soapstone Overpass @ Indian Ridge Rd. Extension Frying Pan Rd. @ Greg Roy Ln. Sunset Hills Rd. @ West of Town Center Pkwy. Monroe St. @ Future Connection to Herndon Metro Town Center Pkwy. @ North of Sunset Hills Glade Dr. @ Pinecrest Rd. Town Center Pkwy. @ Market St. South Lakes Dr. @ Pinecrest Rd. Sunset Hills Rd. @ Library St. Sunrise Valley Dr. @ Pinecrest Rd. Extended Sunset Hills Rd. @ Soapstone Overpass Sunrise Valley Dr. @ Town Center Pkwy. Sunset Hills Rd. @ East of Soapstone Overpass Town Center Pkwy. @ North of Sunrise Valley Dr. Sunset Hills Rd. @ South Lakes Overpass West of Reston Pkwy. with grid street Reston Station Blvd. @ Metro Center Dr. Sunrise Valley Dr. @ Roland Clarke Place Reston Station Blvd. @ Michael Faraday Dr. Sunrise Valley Dr. @ Indian Ridge Rd. Isaac Newton Square S. @ Isaac Newton Square W. Sunrise Valley Dr. @ Commerce Park Dr. West Wiehle Ave. @ Isaac Newton Square N.
  12. 12. County of Fairfax, Virginia Full Buildout Network - Signals 12
  13. 13. County of Fairfax, Virginia Full Buildout 3rd Tier Problem Locations (After Tier 3 Mitigation) 13
  14. 14. County of Fairfax, Virginia Full Buildout Problem Locations 14 Intersections – 120+ Seconds of Delay Intersections 2050 Unmitigated After 2050 1st Tier After 2050 2nd Tier After 2050 3rd Tier 20 10 7 1* With Tier 3 mitigations a significant reduction in the projected number of intersections experiencing delays in excess of 120 seconds can be seen. *Centreville Road & Sunrise Valley Drive: PM 138 seconds in Innovation TSA. • The intersection was included in the analysis of the Innovation TSA. There is ongoing evaluation of the improvements at this location.
  15. 15. County of Fairfax, Virginia Remaining LOS F Intersections Of the 42 key signalized intersections on the major roadways in the Reston TSA, only 5 continue to have 80 seconds of delay or greater after Tier 3 Mitigation. 42 Key Intersections – LOS F Peak Hour 2050 Unmitigated After 2050 1st Tier After 2050 2nd Tier After 2050 3rd Tier Total 24 11 9 5 15
  16. 16. County of Fairfax, Virginia Tier 3 LOS F Intersections • Fairfax County Parkway at Baron Cameron Avenue – 100 seconds of delay in the PM • Reston Parkway at Sunrise Valley Drive – 92 seconds of delay in the PM • Reston Parkway at South Lakes Drive – 95 seconds of delay in the AM • Reston Parkway at Sunset Hills Road – 83 seconds of delay in the PM • Centreville Road at Sunrise Valley Drive – Innovation TSA 16
  17. 17. County of Fairfax, Virginia Project Prioritization 17
  18. 18. County of Fairfax, Virginia Phasing Analysis 18 • Conducted for Existing Conditions and Full Buildout – AM and PM peak hours • Showed which projects had the greatest benefit in each scenario • Showed hours saved during the peak hours • Informed how projects were prioritized
  19. 19. County of Fairfax, Virginia Phasing Analysis Results 19 Improvements Description 2016 Hours Saved 2050 Hours Saved 1 Grid of Streets Construct an enhanced grid of streets to increase connectivity 1,216 4,817 2 Town Center Town Center Parkway Underpass (4 lanes) from Town Center Parkway and Sunset Hills Road to Sunrise Valley Drive 374 1,322 3 FCP/HOV Widen Fairfax County Parkway: 6 lanes with HOV lane(s) 299 851 4 Soapstone Soapstone Overpass (3 lanes) across the DTR from Sunset Hills Road to Sunrise Valley Drive 300 600 5 Sunset Hills Widen Sunset Hills Road: 6 lanes from Wiehle Ave to Fairfax County Pkwy, and 4 lanes from Wiehle Ave to Hunter Mill Road 257 478 6 Fox Mill Widen Fox Mill Road: 4 lanes from Reston Parkway to Monroe Street 0 714 7 South Lakes South Lakes Overpass (4 lanes ) across the DTR from Sunset Hills Road to Sunrise Valley Drive 240 462 8 FCP/SRV Grade-separated interchange at Fairfax County Parkway and Sunrise Valley Drive 184 514 9 Reston Pkwy Widen Reston Parkway: 6 lanes from South Lakes Drive to the DTR 82 313 10 West Ox Widen West Ox Road: 4 lanes from Lawyers Road to Centreville Road -28 253 11 Monroe Widen Monroe Street: 4 lanes from West Ox Road to Town of Herndon 27 154 12 Pinecrest Extend Pinecrest Road from South Lakes Drive to Sunrise Valley Drive 2 118
  20. 20. County of Fairfax, Virginia Project Prioritization 20 Priority 1 1. Soapstone Overpass 2. Town Center Underpass 3. Reston Parkway Widening 4. Fairfax County Parkway Widening/HOV (from West Ox to the Dulles Toll Road) Priority 2 1. Sunrise Valley Drive/Fairfax County Parkway Interchange 2. South Lakes Overpass 3. Fox Mill Widening Priority 3 1. West Ox Road Widening 2. Monroe Street Widening 3. Pinecrest extension
  21. 21. County of Fairfax, Virginia 2030 Network & Results 21
  22. 22. County of Fairfax, Virginia Mid Buildout Scenario 22 • 2030 is a representation of the ‘mid buildout’ of the Reston TSAs • Assumptions about development levels and improvements were made by the Department of Planning and Zoning (DPZ) • Helps staff understand where improvements may be needed to support a midpoint in development
  23. 23. County of Fairfax, Virginia Bid Buildout Improvements 23 • Roadways: – Soapstone Connector – Town Center Parkway Underpass – Reston Parkway – 6 lanes from EB DTR to South Lakes Drive • Intersection Modifications: – Reston Parkway & Sunrise Valley Drive – Reston Parkway & South Lakes Drive – Reston Parkway & Baron Cameron Avenue
  24. 24. County of Fairfax, Virginia Mid Buildout Improvements (Cont.) 24 • New Signals – Town Center Parkway north of Sunset Hills Road – New Dominion Parkway and Explorer Street – Soapstone Connector and Sunset Hills Road – Reston Station Boulevard Extended and Sunset Hills Road – Sunrise Valley Drive and Town Center Parkway
  25. 25. County of Fairfax, Virginia Mid Buildout Grid 25
  26. 26. County of Fairfax, Virginia Tier 3 LOS F Intersections 26 • Fairfax County Parkway at Sunrise Valley Drive – 132 seconds of delay in the AM, ok in PM • Sunset Hills Road at Town Center Parkway – 123 seconds of delay in the AM, ok in PM • Reston Parkway at South Lakes Drive – 143 seconds of delay in the AM, ok in PM • Sunrise Valley Drive at Hunter Mill Road – 121 seconds of delay in the AM, ok in PM • Sunset Hills Road at Hunter Mill Road – 87 seconds of delay in the AM, ok in the PM • Sunrise Valley Drive at Preston White Drive/South Lakes Drive – 113 seconds of delay in the PM, ok in the AM
  27. 27. County of Fairfax, Virginia Mid Buildout LOS F Intersections 27
  28. 28. County of Fairfax, Virginia Mid Buildout LOS F Intersections Fairfax County Parkway at Sunrise Valley Drive 28 2030 2050 Same geometry as existing conditions. Single Point Urban Interchange and 6 lane widening of Fairfax County Parkway AM: 132 sec. PM: 64 sec. AM: 64 sec. PM: 53 sec.
  29. 29. County of Fairfax, Virginia Mid Buildout LOS F Intersections Town Center Parkway and Sunset Hills Road 29 2030 2050 Sunset Hills Road 4 lanes. Sunset Hills Road 6 lanes. AM: 123 sec. PM: 76 sec. AM: 67 sec. PM: 61 sec.
  30. 30. County of Fairfax, Virginia Mid Buildout LOS F Intersections Reston Parkway at South Lakes Drive 30 2030 2050 AM: 143 sec. PM: 71 sec. AM: 95 sec. PM: 71 sec. No Fox Mill Widening or Pinecrest Road Extension Includes Fox Mill Widening or Pinecrest Road Extension
  31. 31. County of Fairfax, Virginia Mid Buildout LOS F Intersections Sunrise Valley Drive at Hunter Mill Road 31 2030 2050 Sunrise Valley Drive HunterMillRoad AM: 121 sec. PM: 60 sec. AM: 39 sec. PM: 33 sec. No South Lakes Crossing HunterMillRoad Sunrise Valley Drive Includes South Lakes Crossing *The Hunter Mill Road Study has Recommendations influencing this intersection
  32. 32. County of Fairfax, Virginia Mid Buildout LOS F Intersections Sunset Hills Road at Hunter Mill Road 32 2030 2050 Sunset Hills Road HunterMillRoad AM: 87 sec. PM: 64 sec. AM: 71 sec. PM: 34 sec. No South Lakes Crossing HunterMillRoad Sunset Hills Road Includes South Lakes Crossing *The Hunter Mill Road Study has Recommendations influencing this intersection
  33. 33. County of Fairfax, Virginia Mid Buildout LOS F Intersections Sunrise Valley Drive at South Lakes Drive 33 2030 2050 AM: 72 sec. PM: 113 sec. AM: 64 sec. PM: 78 sec. No South Lakes Crossing Includes South Lakes Crossing To South Lakes Crossing
  34. 34. County of Fairfax, Virginia Mid Buildout Scenario Summary 34 • Only seven intersection have issues • Improvements in place by 2050 will result in acceptable operations • County staff will continue to assess transportation and development in Reston and will modify recommendations as necessary
  35. 35. County of Fairfax, Virginia Urban Street Standards 35
  36. 36. County of Fairfax, Virginia Reston TSAs Full Buildout # of Lanes 36
  37. 37. County of Fairfax, Virginia Reston TSAs Full Buildout Bike Network 37
  38. 38. County of Fairfax, Virginia Wiehle TSA – Roadway Classifications 38
  39. 39. County of Fairfax, Virginia Reston Town Center TSA – Roadway Classifications 39
  40. 40. County of Fairfax, Virginia Herndon TSA – Roadway Classifications 40
  41. 41. County of Fairfax, Virginia Next Steps • Community Meeting April (TBD) • Public Comment • Documentation • Final Report Summer 2017 41
  42. 42. County of Fairfax, Virginia Schedule 42 Task Description 1A Land Use and Networks - Task is Complete 1B Traffic Counts - Task is Complete 2A Establish Existing Conditions - Task is Complete 2B Calibrate Against Existing Conditions - Task is Complete 3A2 Analyze Future Conditions (2050) - Task complete advance to Tier 3 Mitigation 3A1 Analyze Future Conditions (2030) 3B Simulation of the Dulles Toll Road 4A Meetings/Presentations 5A Phasing Analysis - Existing Conditions- Ths Task is complete 5B Phasing Analysis - 2050 - Optional 6 Determination of DRPT Guidelines Roadway Classification 7 Documentation 8 Reston Parkway Capacity Improvements 9 Fairfax County Parkway & Spring Street Interchange 10 Fairfax County Parkway & Sunrise Valley Drive 11 Rock Hill Bridge at Sunrise Valley Drive 12A Meetings/Presentations 07 3/17
  43. 43. County of Fairfax, Virginia Questions & Comments For questions and comments about the study please contact: Kristin Calkins: Kristin.Calkins@fairfaxcounty.gov (703) 877-5710 http://www.fairfaxcounty.gov/fcdot/restonnetworkanalysis/ 43

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