I-495 Interchange
Ramps are being built and modified at the I-495 Interchange to add access to and from the existing 495 Express Lanes and the new 66 Express Lanes.
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Gallows Road
The rebuilt section of Gallows Road will include improved bicycle and pedestrian facilities on the bridge over I-66 and access to the new shared-use path being built along I-66. The new design will also improve sightlines for travelers and leave room for future widening of Gallows Road to the north toward Tysons.
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Cedar Lane
The new Cedar Lane Bridge over I-66 opened in December 2020. The new structure includes a sidewalk and a wide shared-use path that will connect to the shared-use path being built along I-66.
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Nutley Street (Route 243) Interchange
The I-66/Nutley Street Interchange is being redesigned to improve safety, better manage traffic flow, and integrate the new shared-use path at this busy junction near the Vienna/Fairfax-GMU Metrorail Station.
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Vienna/Fairfax-GMU Metrorail Station Area
New express lanes ramp access, a new Vaden Drive Bridge, and improved bicycle and pedestrian connections make the Vienna/Fairfax-GMU Metrorail Station a more robust multi-modal hub for commuters and other travelers.
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Route 123 Interchange
Major reconstruction at the Route 123 Interchange includes added access to the new express lanes, improved safety for roadway users, replaced bridge spans, and connection of the future I-66 trail with the City of Fairfax.
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Jermantown Road
A new Jermantown Road Bridge over I-66 is being built to accommodate the widening of I-66 for the new express lanes. The bridge will include bike lanes and sidewalks.
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Waples Mill Road
The Waples Mill Road Bridge over I-66 is being rebuilt to accommodate the widening of I-66 for the new express lanes. Bridge construction and demolition are being done in phases to keep the bridge open for traffic during this process.
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Route 50 Interchange
The Route 50 Interchange has been rebuilt with express lanes access to and from the east. The shared-use path will also pass through the interchange.
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Monument Drive
Ramps have been added and modified at Monument Drive to add full-time express lanes-only access to the east and west. A new commuter parking garage is being built nearby with project funding.
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Route 286 (Fairfax County Parkway)
I-66 has been widened over Route 286 to make room for express lanes.
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Stringfellow Road
The ramps have been modified to provide full-time express lanes-only access to and from the east, improving access for commuter bus, carpools, and vanpools from the nearby Stringfellow Road Park and Ride lot.
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Route 28 Interchange
Major changes at Route 28 include rebuilding the I-66 Interchange to add express lanes access, removing all traffic signals between Westfields Boulevard and Route 29, and connecting Braddock Road and Walney Road with a new bridge. Several ‘early milestone’ improvements opened in 2020.
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Poplar Tree Road Extension and Bridge
The Poplar Tree Road extension and bridge over Route 28 opened in November 2020, connecting Walney Road and Stringfellow Road on the east with Stonecroft Boulevard and Westfields Boulevard on the west side of Route 28. The new bridge includes a 10-foot-wide shared-use path that improves access to E.C. Lawrence Park for bicyclists and pedestrians.
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E.C. Lawrence Park
Access to the E.C. Lawrence Park athletic fields has shifted from Route 28 to a new entrance that can be reached from Stonecroft Boulevard south of Westfields Boulevard or the new Poplar Tree Road extension. The entrance from Route 28 closed in December 2019.
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Route 29 Interchange in Centreville
The Route 29 Interchange in Centreville has been demolished and rebuilt to accommodate the express lanes, future mass transit along I-66, and future widening of Route 29 under the interstate.
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Balls Ford Park and Ride Lot (Manassas)
A new park and ride lot on Century Park Drive in Manassas offers about 1,300 spaces with direct access to the express lanes. The lot opened in September 2022 concurrent with the express lanes opening and is located off Balls Ford Road between Prince William Parkway and Route 234 Business (Sudley Road).
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Route 234 Business (Sudley Road)
The interchange has been modified to make room for the 66 Express Lanes and to provide nearby express lanes access ramps to and from the east.
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University Boulevard Park and Ride Lot (Gainesville)
A new park and ride lot in Gainesville offers more than 2,000 spaces with direct access to the express lanes from University Boulevard for carpools, vanpools, and commuter bus. The first portion of the lot opened in October 2019 with 1,000+ spaces to assist commuters during project construction. OmniRide provides commuter bus service to the Pentagon on weekdays.
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Trails/Shared-Use Path
The Transform 66 Project is adding 11 miles of shared-use path along I-66 that will bolster existing and planned trail networks in Fairfax and Prince William counties. Rebuilt bridges will add bike lanes, shared-use path, and sidewalks to further improve connections for cyclists and pedestrians.
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66 Express Lanes
The Transform 66 Outside the Beltway Project provides 22.5 miles of new express lanes (two lanes in each direction alongside three general-purpose lanes), with dedicated express lanes access ramps, and median space reserved for future transit.
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