The Georgia Department of Transportation has announced the latest round of lane and ramp closures and other traffic changes for Transform 285/400, its massive project to reconstruct the I-285/Ga. 400 interchange.

Schedules may change based on the work and the weather.

Ashford-Dunwoody Road closures

Sept. 23-24, 9 p.m. to 5 a.m., closed between Hammond Drive and Lake Hearn Drive.

Ashford-Dunwoody Road ramp closures

Sept. 23-24, 9 p.m. to 5 a.m., ramp to I-285 westbound closed.

Ga. 400 ramp closures

Sept. 18 and 24-25, 9 p.m. to 5 a.m., northbound and southbound ramps to I-285 westbound closed.

Sept. 19 and 21, 9 p.m. to 5 a.m., southbound ramp to I-285 westbound closed.

Sept. 22-23, 9 p.m. to 5 a.m., northbound ramp to I-285 westbound closed.

Ga. 400 lane closures

Sept. 18 and 21-24, 9 p.m. to 5 a.m., northbound between Johnson Ferry Road and Hammond Drive, two right lanes.

Sept. 18-19 and 24-25, 9 p.m. to 5 a.m., southbound between Abernathy Road and Hammond Drive, two right lanes.

Sept. 24-25, 9 p.m. to 5 a.m., northbound between Hammond Drive and Mount Vernon Highway, two left lanes.

Glenridge Drive ramp closures

Sept. 21-23, 9 p.m. to 5 a.m., ramp to I-285 westbound closed.

I-285 ramp closures

Sept. 18 and 21-25, 9 p.m. to 5 a.m., eastbound ramp to Ga. 400 northbound closed.

I-285 lane closures

Sept. 18, 9 p.m. to 5 a.m., westbound between Peachtree-Dunwoody Road and Ga. 400, two right lanes.

Sept. 21-22, 9 a.m. to 8:30 p.m., eastbound ramp to Glenridge Drive, one right lane.

Peachtree-Dunwoody Road closures

Sept. 24-25, 9 p.m. to 5 a.m., closed between Hammond Drive and Lake Hearn Drive.

Peachtree-Dunwoody Road ramp closures

Sept. 18-20 and 24-25, 9 p.m. to 5 a.m., ramp to I-285 eastbound closed.

Roswell Road ramp closures

Sept. 21-22, 9 p.m. to 5 a.m., ramp to I-285 eastbound closed.

Other traffic changes

On Sept. 18 and 21-23, 9 p.m. to 5 a.m., Ga. 400 northbound between Glenridge Drive and Hammond Drive will have traffic pacing (police forcing other vehicles to slow or stop).

John Ruch

John Ruch is an Atlanta based journalist. Previously, he was Managing Editor of Reporter Newspapers.