Fairfax County Parkway (Route 286) Widening Project Route 29 (Lee Highway) to Route 123 (Ox Road) State Project No
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Fairfax County Parkway (Route 286) Widening Project Route 29 (Lee Highway) to Route 123 (Ox Road) State Project No. 0286-029-259, P101; UPC 107937 December 13, 2018 Burke Centre Conservancy Presentation Agenda • Introduction • Nick Roper, VDOT District Engineer for Project Development • Project Overview • Andy Beacher, VDOT Preliminary Engineering • Conceptual Design Options/Alternatives • John Maddox and Dana Trone, WRA (Design Consultant) • Project Schedule and Funding • Andy Beacher, VDOT Preliminary Engineering Virginia Department of Transportation Project Overview Reduce recurring congestion along the corridor and improve safety at crash “hot-spots” by: • Widening Fairfax County Parkway (FCP) to provide third lane in each direction • Improvements to intersections within project limits • Interchange at Popes Head Road • Includes access to future development of Patriot Park and future extension of Shirley Gate Road Provide multimodal accommodations for pedestrian and bicyclists: • Upgrades to shared use path Other design considerations: • Noise analysis, stormwater management • Right-of-way impacts Virginia Department of Transportation Route 123 (Ox Road) Interchange THREE THRU LANES TWO LANE OFF RAMP TRIPLE LEFT TURN RIGHT TURN LANE Virginia Department of Transportation Route 123 Interchange Traffic Operations • Travel times compared along southbound Fairfax County Parkway from Burke Centre Parkway to southbound Route 123 at Chapel Road • Key Findings • 2046 Build condition travel times are similar to existing conditions • Significant benefits with added turn/thru lanes SB FCP at Burke Centre Pkwy to SB Route 123 at Chapel Rd 10 8 s e t 6 8.6 min u n i 4 M 2 3.6 min 4.0 min 0 Existing 2046 No Build 2046 Build Virginia Department of Transportation Burke Centre Parkway Intersection Right-In/Right-Out • Eliminates existing traffic signal • Acceleration lane for WB Burke Centre Parkway right turn • Prohibits all left turn and U-turn movements at Burke Centre Parkway • Requires grade separation of pedestrian crossing of Fairfax County Parkway Virginia Department of Transportation Shared Use Path Crossing Project Team is currently evaluating 3 options: Option A: Pedestrian Bridge Option B: Railroad Underpass Option C: Fairfax Station Underpass • Construct new pedestrian bridge • Shared use path adjacent to Norfolk • Shared use path adjacent to Fairfax spanning Fairfax County Parkway Southern Railroad (NSRR) track Station Road crossing underneath (FCP) at Burke Centre Parkway crossing underneath FCP FCP • At grade crossing required at • New shared use path along east • New shared use path along east Fairview Woods Drive side of FCP and crosses Burke side of FCP and crosses Burke Centre Parkway at grade Centre Parkway at grade • Preliminary approval from NSRR • Requires widening of Fairfax Station/NSRR bridge Virginia Department of Transportation Ladues End Lane and Nomes Court Intersection Left-In with Restricted Crossing U-Turn (RCUT) • Removes left turning movement exiting from Ladues End Lane and Nomes Court • Current Ladues End Lane left out movement must turn right and use RCUT or Route 123 interchange to travel north • Current Nomes Court left out movement must turn right and use the Popes Head Road interchange to travel south Virginia Department of Transportation Popes Head Road Interchange Summary • Provide access to future development of Patriot Park and accommodate the future extension of Option 2 Shirley Gate Road • Studied over 10 interchange concepts Option 1 • Narrowed down to three different interchange concepts (with two options including ramp configuration variations) Option 2A • Option 1 only option within project budget • Design Team reviewing opportunities Option 1A for cost savings • All 5 options have acceptable traffic operations Option 2D Virginia Department of Transportation Improvements to Northern Section • Widening ties into existing 6-lane roadway section north of Route 29 Interchange • Shared Use Path upgrades on east side of Fairfax County Parkway Virginia Department of Transportation Preliminary Noise Analysis Summary Slide • Total of 4 new noise barriers considered feasible and reasonable • One existing barrier replacement on the west side of Fairfax County Parkway between Route 123 and Clara Barton Drive considered feasible and reasonable Virginia Department of Transportation Burke Centre Parkway Intersection – Existing Conditions • Congestion on NB Fairfax County Parkway approaching Burke Centre Parkway during AM peak hour • Crash “hot spot” along the Fairfax County Parkway corridor • Existing shared use path crossing of Fairfax County Parkway • Burke Centre Parkway serves Burke Centre residents and commuters avoiding Fairfax County Parkway congestion NB Fairfax County Parkway - View from Route 123 Bridge Virginia Department of Transportation Existing Northbound Fairfax County Parkway Speeds Burke Centre Parkway Intersection • Lowest travel speeds along NB Fairfax County Pkwy (AM peak) • NB AM peak hour queues extend up to 2 miles (beyond Freds Oak Road) y a D f o e m i T NB Fairfax County Parkway approaching Burke Centre Parkway (AM Peak) – Average travel speeds range from 10 – 25 MPH Virginia Department of Transportation Travel Direction Crashes per 0.1 Mile Analysis(2013– Safety Fairfax CountyParkway 2017) 10 15 20 25 30 35 40 45 50 0 5 11.6 Roberts Pkwy 11.8 12.0 12.2 Virginia Department of Virginia Transportation 12.4 12.6 12.8 Route 123 13.0 Northbound Fairfax County Pkwy 13.2 13.4 Burke CentrePkwy 13.6 13.8 14.0 14.2 14.4 14.6 14.8 15.0 Mile Point 15.2 15.4 Popes HeadRd 15.6 Southbound Fairfax County Pkwy 15.8 16.0 16.2 16.4 16.6 Braddock Rd • • • • 16.8 Burke CentreParkway Intersection 17.0 crashes 70 rear end crashesand21angle injuries involving 44 including 103 totalcrashesover 5 years Northern VA greater than other similar roads in Crash rateismore6 times than FCP frequency alongHighest crash 17.2 17.4 17.6 17.8 18.0 18.2 US 29 18.4 18.6 18.8 19.0 19.2 Fairfax County Parkway Safety Analysis (2013 – 2017) High frequency of crashes on the NB Fairfax County Parkway approach to Burke Centre Parkway Virginia Department of Transportation Burke Centre Parkway Intersection • Options Considered • Continuous Green-T (CGT) • Prohibit Left Turns from Burke Centre Parkway • Right In / Right Out (preferred option presented at Sept/Oct 2018 Public Information Meetings) NB Fairfax County Parkway – View from Clara Barton Drive bridge Virginia Department of Transportation Burke Centre Parkway Intersection Continuous Green-T (CGT) • Minimizes stopping for SB Fairfax County Parkway • Low left turn volumes from WB Burke Centre Parkway (less than 15 per hour) • Left hand merge on SB Fairfax County Parkway • Crosswalk across Fairfax County Parkway requires stopping SB traffic when activated; unexpected condition for motorists Virginia Department of Transportation Burke Centre Parkway Intersection Prohibit Left Turns from Burke Centre Parkway • Removal of WB Burke Centre Parkway left turn increases green time for NB Fairfax County Parkway and improves operations (compared to CGT) • An at-grade pedestrian crossing of Fairfax County Parkway requires stopping SB traffic when activated; unexpected condition for motorists Virginia Department of Transportation Burke Centre Parkway Intersection Right-In/Right-Out • Eliminates existing traffic signal • Acceleration lane for WB Burke Centre Parkway right turn • Prohibits all left turn and U-turn movements at Burke Centre Parkway • Requires grade separation of pedestrian crossing of Fairfax County Parkway Virginia Department of Transportation Burke Centre Parkway Intersection Right-In/Right-Out • Daily Traffic Volumes- Reassignment of Southbound Fairfax County Parkway Left Turns to Burke Centre Parkway to Alternate Routes Virginia Department of Transportation Burke Centre Parkway Intersection Right-In/Right-Out • Daily traffic volume changes resulting from removal of left turns to and from Burke Centre Parkway Virginia Department of Transportation Southbound Fairfax County Parkway Travel Times – Left Turn to Burke Centre Parkway and Alternate Routes AM Peak Hour 25 20 14.9 s +6.8 e 15 t u n 9.2 i 10 8.1 7.6 8.6 M 5 0 Existing 2046 No Build 2046 Build - Prohibit 2046 Build Right- 2046 Build Right- Left Turns from BCP In/Right-Out - using In/Right-Out - using Route 123 Roberts Parkway PM Peak Hour 24.0 25 +9.9 20 s 14.1 e t 15 u n 10.0 i 9.4 10 7.9 M -4.7 -4.1 5 -6.2 0 Existing 2046 No Build 2046 Build - Prohibit 2046 Build Right- 2046 Build Right- Left Turns from BCP In/Right-Out - using In/Right-Out - using Route 123 Roberts Parkway +XX - Difference compared to existing conditions Virginia Department of Transportation Northbound Fairfax County Parkway Travel Times – WB Right Turn from Burke Centre Parkway AM Peak Hour 14 11.8 12.2 12 11.2 10 s 8.1 e t 8 u n i 6 -3.1 M 4 2 0 Existing 2046 No Build 2046 Build - Prohibit 2046 Build - Right- Left Turns from BCP In/Right-Out PM Peak Hour 14 12 11.0 +3.0 10 s 8.0 8.0 7.1 e t 8 u n i 6 M 4 2 0 Existing 2046 No Build 2046 Build - Prohibit 2046 Build - Right- Left Turns from BCP In/Right-Out +XX - Difference compared to existing conditions Virginia Department of Transportation Fairfax County Parkway Travel Times 2046 No Build Conditions • No improvements along Fairfax County Parkway – South of Route 123 to US 29 Fairfax County Parkway AM Peak Hour • Southbound travel times are 30 25 22.2 20.5 13 - 14 minutes greater than s 20 e 15.9 t u 15 n existing conditions i Northbound M 10 7.9 Southbound 8.6 7.7 7.4 7.6 Northbound