Perimeter interchange work to close ramps, streets

Map depicts the recommended detours when Lake Forrest Drive is closed at I-285 in Sandy Springs. GEORGIA DEPARTMENT OF TRANSPORTATION

Map depicts the recommended detours when Lake Forrest Drive is closed at I-285 in Sandy Springs. GEORGIA DEPARTMENT OF TRANSPORTATION

Roadway, noise barrier and bridge construction will require nightly closures of expressway ramps and local streets as part of the ongoing reconstruction of the I-285/Ga. 400 interchange in the Perimeter area of Sandy Springs, Dunwoody and Brookhaven.

The closures are scheduled for 9 p.m. to 5 a.m.:

Monday-Wednesday: Lake Forrest Drive from Allen Road to Northwood Drive. Monday-Saturday: southbound Peachtree Dunwoody Road from Hammond to Lake Hearn drives.

Tuesday-Thursday: the ramp from eastbound I-285 to northbound Ga. 400.

Wednesday (overnight): the ramp from southbound Ga. 400 to eastbound I-285, and two right lanes of eastbound I-285 from Glenridge Drive to Peachtree Dunwoody Road.

Thursday (overnight): the ramp from northbound Ga. 400 to eastbound I-285, and one right lane of eastbound I-285 from Glenridge to Peachtree Dunwoody. Thursday-Saturday: the ramp from southbound Ga. 400 to westbound I-285.

Friday (overnight): Two left lanes of southbound I-285 southbound from Hammond to I-285;Peachtree Dunwoody Road from Hammond to Lake Hearn, and the ramp from Peachtree Dunwoody to eastbound I-285.

Information: Georgia Department of Transportation, https://bit.ly/2OUrveG