GDOT says motorists on the west side Perimeter overnight Wednesday night need to be aware of a detour at the Cascade Road exit.

The I-285 southbound ramp to Cascade Road will be closed from 9 p.m. Wednesday to 5 a.m. Thursday as that ramp is resurfaced.

Motorists are advised to continue southbound on I-285 to the next exit, Langford Parkway, where they can turn around and come back on the northbound Perimeter to exit at Cascade Road.

Traffic flow on that southbound exit will resume at 5 a.m. Thursday.

For the latest traffic times and local traffic maps, please visit our traffic page at 11alive.com/traffic