Joan Morris 703-259-1799
Jennifer McCord 703-259-1779
Jan. 10, 2014
PLANNED ROUNDABOUT WILL NOT INCREASE DELAYS AT NEARBY INTERSECTIONS
VDOT studies intersections near Pleasant Valley and Braddock Roads
FAIRFAX — Constructing a roundabout at Pleasant Valley and Braddock roads will increase delays at nearby intersections by less than 5 seconds during peak periods, according to an analysis just completed by the Virginia Department of Transportation (VDOT).
The traffic operations analysis was performed to evaluate how much longer drivers would need to wait at a stop sign or traffic signal following construction of the roundabout.
Intersections with and without traffic signals were studied. Previous analyses of the Braddock/Pleasant Valley intersection indicated that a one-lane roundabout could increase the overall peak hour capacity by as much as 20 percent; accordingly, a 20 percent increase in peak traffic volume at nearby intersections was selected as the future condition. The analysis showed that the average increase in delay at the intersections studied would be less than 5 seconds during peak periods. An increase this modest is unlikely to be noticed by most drivers.
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