Perimeter interchange work means delays, detours

The Georgia Department of Transportation announced possible delays, reduced speeds and detours with nightly road closures for the ongoing reconstruction of the Ga. 400/I-285 interchange in the Perimeter area of Sandy Springs, Dunwoody and Brookhaven.

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

Monday-Thursday: the ramp from westbound I-285 to northbound Ga. 400, and one right lane of northbound Ga. 400 from I-285 to Hammond Drive; Monday-Saturday: two right lanes of westbound I-285 from Chamblee Dunwoody to Ashford Dunwoody roads.

Tuesday-Thursday: Peachtree Dunwoody Road from Hammond to Lake Hearn drives, and the ramp from Peachtree Dunwoody to eastbound I-285; Tuesday-Saturday: the ramp from westbound I-285 to Roswell Road, and one right lane of southbound Ga. 400 from Windsor Parkway to Loridans Drive.

Wednesday (overnight): one right lane of Ga. 400 southbound from Pitts Road to Spalding Drive.

Thursday-Saturday: the ramp from southbound Ga. 400 to westbound I-285.