As required by VDOT, an Interchange Justification Report (IJR) [[County to provide link]] was completed in 2018. This study evaluated the proposed improvements to ensure they addressed existing and future traffic operations and safety issues to the extent feasible.
The Route 288 northbound to Route 360 westbound off-ramp carries a high volume of existing traffic during the afternoon rush hour, with over 1,200 vehicles on the loop ramp. As a result, merging traffic, on and off of Route 288, slows considerably which leads to a high incidence of crashes. From 2012-2016, 38 crashes occurred on the off-ramp.
To complicate matters, traffic volumes on Route 360 west of Route 288 are projected to become even greater as development continues to the west.
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