State highway officials advise of possible delays, reduced speeds and detours in some locations as continued interchange construction requires nightly lane closures on I-285 and Ga. 400 in the Perimeter area of North Fulton and DeKalb counties.

The closures are scheduled for 9 p.m. to 5 a.m., according to the Georgia Department of Transportation:

Thursday, overnight: Four left lanes of westbound I-285 from Peachtree Dunwoody Road to Ga. 400; two right lanes of westbound I-285 from Ga. 400 to Roswell Road; and the ramp from northbound Ga. 400 to westbound I-285.

Thursday-Saturday: One left lane of northbound Ga. 400 from Johnson Ferry Road to Hammond Drive; and the ramp from eastbound I-285 to northbound Ga. 400.

Friday-Monday (continuous): Two left lanes of southbound Ga. 400 from Hammond to I-285.

All work is "weather permitting" and subject to change. Information: https://bit.ly/2KfpGqs

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Members of the conversion crew take a break as the main scoreboard is lowered to the floor to be worked on as the arena gets ready for the next concert at State Farm Arena, Thursday, October 2, 2025, in Atlanta. The crew was working on creating a stage for the Friday, Oct. 3 Maxwell concert. (Jason Getz/AJC)

Credit: Jason Getz / Jason.Getz@ajc.com