Policy on Level of Service in Activity Centers

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Information about Policy on Level of Service in Activity Centers
News & Politics

Published on December 19, 2013

Author: fairfaxcounty

Source: slideshare.net


Policy on Level of Service in Activity Centers

County of Fairfax, Virginia Policy on Level of Service in Activity Centers Board Transportation Committee December 17, 2013 Department of Transportation

County of Fairfax, Virginia Purpose of Presentation • Provide information to the Board on a staff recommendation to change the Transportation Policy Plan level of service (LOS)D standard to LOS E for activity centers • Activity centers consist of: – – – – – Transit Station Areas Community Business Centers Revitalization Areas Suburban Centers Tysons Urban Center Department of Transportation 2

County of Fairfax, Virginia What is Level of Service (LOS)? • LOS measures how well traffic moves along a roadway • In activity centers delays at intersections typically determine LOS – see table 3 LOS ≤ 10 A > 10 - 20 B > 20 - 35 C > 35 - 55 D > 55 - 80 E > 80 Department of Transportation Average Delay per Vehicle (seconds) F

County of Fairfax, Virginia Present LOS Standards Fairfax County •Current LOS standard is D VDOT/FHWA •LOS standard for National Highway System (NHS) routes is D Department of Transportation 4

County of Fairfax, Virginia County Policy Plan Transit Oriented Development Guidelines (Appendix to Land Use Policy Plan) “The design of streets should encourage lower traffic speeds and superior pedestrian circulation….” Transportation Policy Plan “Support public transportation and non-motorized travel through design…” Department of Transportation 5

County of Fairfax, Virginia Recently Approved LOS Standards in County • Springfield CBC, Springfield Metrorail Station Area: LOS E • Baileys Crossroads CBC: LOS E, except Leesburg Pike which is LOS D • Annandale CBC: LOS E, except Little River Turnpike which is LOS D • Tysons Urban Center: LOS E • Reston Transit Station Areas: LOS E (proposed) Department of Transportation 6

County of Fairfax, Virginia Impacts of a LOS E Standard for Activity Centers • Increases a pedestrian/bike friendly environment by slowing traffic • Limits the width of streets • Reduces transportation infrastructure costs • Increases highway congestion and delay Department of Transportation 7

County of Fairfax, Virginia Impact of LOS E: Example 1 Intersection Reston Pkwy and Sunrise Valley Drive Reston Pkwy and DTR On/Off Ramps Hunter Mill Road and Sunrise Valley Drive Delay (seconds) Additional Mitigation Required to Move LOS E LOS D from LOS E to LOS D 79 42 57 50 65 50 Department of Transportation 8 Four additional turn lanes One additional turn lane One additional turn lane

County of Fairfax, Virginia Impact of LOS E: Example 2 Note: Red arrows indicate additional turn lanes required to achieve LOS D Department of Transportation 9

County of Fairfax, Virginia Local Jurisdictions: LOS Policy • Arlington County – Emphasis on multimodal level of service • Montgomery County – Has a minimum of LOS D / LOS E for “urban” areas • Prince William County – Has a minimum of LOS D for intersections • Loudoun County – Has a minimum of LOS D for all roads in the County Department of Transportation 10

County of Fairfax, Virginia Jurisdictions in U.S. that Apply LOS E in Activity Centers • • • • • • King County, Washington Riverside County, California Santa Ana, California City of Sacramento, California Phoenix, Arizona San Diego, California Department of Transportation 11

County of Fairfax, Virginia Conclusion & Recommendation Conclusion: •The application of LOS E in activity centers will reduce traffic speeds and create a more pedestrian/bike friendly environment. This is in conformance with elements of our existing Policy Plan. Recommendation: •Change (through a Plan Amendment) the Transportation Policy Plan LOS D standard to LOS E for activity centers. The standard for NHS roads within activity centers will remain at LOS D. Department of Transportation 12

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