Southbound 81 back open near exit 132 due to tractor trailer crash

ROANOKE Co., Va. (WDBJ) - UPDATE: VDOT reports southbound lanes near mile marker 132 are back open, but there was still a residual backup as of 11 a.m. Saturday.

ORIGINAL STORY: All soundbound lanes on I-81 at mile marker 131.8 in Roanoke County are closed, according to Virginia Department of Transportation (VDOT).

Motorists can expect delays due to a tractor-trailer crash. All southbound lanes are closed. Traffic backups are about 3 miles.

Traffic is being detoured at Exit 132 onto US-460.

Officials say drivers should expect delays and seek alternate routes.