The Delaware Department of Transportation announced its contractor, A-Del Construction Co. will construct the ramp and ramp tie-in for the state Route 1, South Frederica Grade Separated Intersection Project, requiring the closure of state Route 12/Frederica Road between state Route 1/Bay Road and Market Street, near Frederica, from 6 a.m. Sept. 25 through mid-December.

From Frederica, motorists will turn left onto state Route 12/Frederica Road and use the Exit 86/state Route 12/North Frederica Interchange to access state Route 1/Bay Road.

From state Route 1 northbound, motorists will continue past state Route 12/Frederica Road and utilize the Exit 86/state Route 12/North Frederica Interchange to access Frederica Road.

Detour signage will be posted.