From 9 p.m. Thursday evening to 12 a.m. midnight, the acceleration lane on I-581 north onto I-81 south will be narrowed. The left lane onto I-81 south will also be closed.
From 12 a.m. midnight to 4 a.m. on Friday morning, the right lane of the exit onto I-581 south from I-81 south will be closed.
Drivers should expect delays in the area and are encouraged to plan accordingly or seek alternate routes.
For the latest information on this traffic alert, visit www.511Virginia.orgor follow us on twitter at @511southwestva or @VaDOTSalem.