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

Road, ramp closures set for Perimeter interchange project

Local roads and expressway ramps and lanes will be closed in the coming overnight hours as Georgia Department of Transportation contractors continue the reconstruction of the I-285/Ga. 400 interchange in the Perimeter area of Dunwoody, Sandy Springs and Brookhaven.

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

Monday-Wednesday: Two left lanes of southbound Ga. 400 from Hammond Drive to I-285; Monday-Friday: southbound Peachtree Dunwoody Road from Hammond to Lake Hearn drives; and Monday-Saturday: The ramp from southbound Ga. 400 to westbound I-285.

Wednesday-Friday: The ramp from westbound I-285 to northbound Ga. 400; and Wednesday-Saturday: One right lane of southbound Ga. 400 from Hammond to I-285

Thursday-Saturday: The ramp from westbound I-285 to Peachtree Dunwoody Road.

Friday (overnight): The ramp from westbound I-285 to northbound Ga. 400; and one right lane of northbound Ga. 400 from I-285 to Hammond.

Information: https://bit.ly/3aXgiCM

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