June 19, 2019
Concept 1 implements three continuous lanes on Dolley Madison Boulevard Eastbound. Benefits include gaining an additional eastbound through lane on Dolley Madison and avoiding a lane merge east of EB Toll Road off ramp. Drawbacks include removal of trees within the median, potential for bottleneck around Great Falls/Lewinsville intersection, and free flow merge conditions from WB toll road off-ramp to NB Dolley Madison becoming a yield condition.
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