Map depicts the recommended detour when the Perimeter-area ramp from southbound Ga. 400 to westbound I-285 is closed. GEORGIA DEPARTMENT OF TRANSPORTATION

Perimeter-area roadwork to close ramps, streets

Continuing roadway, noise barrier and bridge construction will require nightly closures of ramps, lanes and local streets in the Perimeter area of Sandy Spring, Dunwoody and Brookhaven, the Georgia Department of Transportation announced.

All closures are “weather permitting,” subject to change and set for 9 p.m. to 5 a.m.:

Monday-Wednesday: The ramps from northbound Ga. 400 to westbound I-285, and from southbound Ga. 400 to westbound I-285; two right lanes of northbound Ga. 400 from Johnson Ferry Road to Mount Vernon Highway; two right lanes of southbound Ga. 400 from Windsor Parkway to Loridans Drive; and two right lanes of eastbound I-285 from Roswell Road to Glenridge Drive.

Monday-Thursday: Lake Forrest Drive from Allen Road to Northside Drive.

Monday-Saturday: southbound Peachtree Dunwoody Road from Hammond to Lake Hearn drives; and two right lanes of eastbound I-285 eastbound from Ga. 400 to Peachtree Dunwoody Road.

Tuesday-Saturday: The ramp from westbound I-285 to northbound Ga. 400.

Information: https://bit.ly/32ZhDG8

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