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NEWS
Dewberry Completes Route 29 and Linton Hall Road Interchange Project
September 16, 2015


Route 29 and Linton Hall Road Interchange Project.

The $150 million Route 29 and Linton Hall Road interchange, the final phase of the Virginia Department of Transportation’s (VDOT) Gainesville Improvements in Prince William County, recently opened to traffic. Designed by Dewberry, the interchange eliminates a major bottleneck by grade-separating Linton Hall Road and Route 55 over Route 29, and removes two angled at-grade railroad crossings.

The interchange project included four bridges, 10 retaining walls, 10 ramps, local access roadways, pedestrian and bicycle facilities, architectural treatments, and landscaping. The project also creates direct access from Linton Hall Road and Route 55 to adjacent Interstate 66 via a braided ramp network along Route 29. Dewberry utilized five stages of temporary traffic control, including the creation of temporary roadway alignments to facilitate bridge construction and the placement of 900,000 cubic yards of embankment for vertical grade adjustments of up to 30 feet, while continuously maintaining all traffic movements.

Previous phases of the overall project included the $40 million expansion of I-66 to eight lanes between Route 234 (Sudley Road) in Manassas and Route 234 Bypass, and the $75 million expansion between Route 234 Bypass and Route 29 in Gainesville, including complete reconstruction and reconfiguration of the I-66 Interchange at Route 29. The completion of this project represents the culmination of more than 17 years of professional engineering services to provide improvements to the I-66 and Route 29 corridors in the Gainesville area.


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