Joan Morris 703-259-1799
Sept. 17, 2013
VDOT CONSTRUCTING ROUNDABOUT IN SOUTH RIDING
Improving safety and easing delays
SOUTH RIDING — To reduce crashes and ease delays, the Virginia Department of Transportation (VDOT) is installing a temporary roundabout at the intersection of Poland Road and Edgewater Street in the South Riding area of Loudoun County.
Work begins today and weather permitting, the roundabout will be operational in time for the morning commute on Wednesday, Sept. 25.
The existing two-way stop will be replaced with a one-lane roundabout which will require motorists to yield to traffic in the circle. “The roundabout is going to keep everyone moving through the intersection and help reduce the number of crashes,” said VDOT traffic engineer Randy Dittberner.
Traffic volumes and collisions have risen at the intersection since construction began on Route 50 which is located less than a half-mile from the intersection. More motorists are using Poland Road and Edgewater Street to avoid construction-related delays on Route 50, especially in the morning.
Traffic engineers reviewed several options before deciding a roundabout was the best solution. Replacing the two-way stop with a traffic signal would have cost at least $250,000 and taken 18 to 24 months to design and build. A four-way stop, while inexpensive, would force everyone to stop all the time, even during off-peak periods. Design and construction of the temporary roundabout will cost about $90,000.
The roundabout will be delineated with a yellow circle painted on the pavement, plastic curbing, and three-foot-tall flexible posts with reflectors. New lane markings and signs will slow motorists down on Poland Road as they approach the roundabout.
When the Route 50 widening project is completed in spring 2015, VDOT will evaluate the roundabout. “We can remove it or discuss with the community whether to make it permanent with concrete curbs and landscaping,” said Dittberner.
VDOT worked with Supervisor Matt Letourneau and the residents of South Riding on the plan.
The intersection at Poland Road and Edgewater Street carries about 10,000 vehicles a day.
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