ROANOKE COUNTY, Va. -

Starting next Monday, the Virginia Department of Transportation will put a detour in place on Route 311 in Roanoke County to begin repairs on a rock slope.

The detour is expected to last seven to 10 days.

All northbound traffic on Route 311 will be detoured to Route 740 (Carvins Cove Road) and Route 912 (Absalom Smith Road), before going back to Route 311. Southbound traffic on Route 311 will be controlled by flaggers.

Crews will work around the clock to repair the rock slope, according to VDOT.

Residents in the area and drivers who use Route 311 should expect congestion and delays.

The detour will start at 8 a.m. Monday (Aug. 11).

Here is the news release from VDOT:

The Virginia Department of Transportation has scheduled a traffic detour for Route 311 (Catawba Valley Drive) in Roanoke County. The detour will begin on Monday, Aug. 11 at 8 a.m. and is anticipated to remain in place for seven to 10 days.

All northbound Route 311 traffic will be detoured onto Route 740 (Carvins Cove Road) and Route 912 (Absalom Smith Road) to return to Route 311. Southbound Route 311 traffic will be controlled using flaggers.

VDOT crews will be working to remove rock and debris from a slope on Route 311 near its intersection with Route 740 (Carvins Cove Road). Once work begins, crews will continue working around the clock until the rock slope is cut back and stabilized. An exact time for completing the work and removing the detour has not been established.

Residents who live along the detour route should expect traffic congestion and delays, especially during peak travel times. Route 311 motorists should allow extra travel time to reach their destinations.

Traffic alerts and traveler information for Virginia’s roads can be obtained by dialing 511 and at511Virginia.org. VDOT’s Salem District Twitter feed is at @VaDOTSalem.