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 ramp closures

Aug. 19-23, 9 p.m. to 5 a.m., ramp to I-285 westbound closed.

Ga. 400 ramp closures

Aug. 16-17, 9 p.m. to 5 a.m., northbound ramp to I-285 westbound closed.

Aug. 17-18, 10 p.m. to 7 a.m., MARTA North Springs Station ramp to Ga. 400 northbound closed.

Aug. 17-18 and 23-24, 9 p.m. to 9 a.m., southbound ramp to I-285 westbound closed.

Aug. 17-22, 9 p.m. to 5 a.m., southbound ramp to I-285 eastbound closed.

Ga. 400 lane closures

Aug. 17-18, 8 p.m. to 6 a.m., southbound between Hammond Drive and I-285, one right lane.

Aug. 18-19, 8 p.m. to 6 a.m., northbound and southbound between Glenridge Connector and Pitts Road, alternating one left lane and one right lane.

Aug. 22-24, 9 p.m. to 5 a.m., northbound at Mount Vernon Highway, three left lanes.

Aug. 23-24, 8 p.m. to 6 a.m., southbound between Hammond Drive and Glenridge Drive, one right lane.

I-285 lane closures

Aug. 16-17, 9 p.m. to 5 a.m., eastbound between Glenridge Drive and Ga. 400, two left lanes.

Aug. 16-17, 9 p.m. to 5 a.m., eastbound between Peachtree-Dunwoody Road and Ga. 400, four left lanes.

Aug. 17-22, 9 p.m. to 5 a.m., westbound between Peachtree-Dunwoody Road and Ga. 400, two left lanes.

Aug. 17-22, 9 p.m. to 5 a.m., eastbound between Glenridge Drive and Ga. 400, four left lanes.

Aug. 18-19, eastbound and westbound between Lake Forrest Drive to east of Ashford-Dunwoody Road, alternating one right lane and one left lane.

Peachtree-Dunwoody Road closures

Aug. 19-24, 9 p.m. to 5 a.m., closed. (No location given.)

Other traffic changes

On Aug. 16-17, 9 p.m. to 5 a.m., I-285  westbound between Ashford-Dunwoody Road and Ga. 400 will have traffic pacing (police forcing other vehicles to slow or stop) on all lanes.

On. Aug. 17-18, 9 p.m. to 5 a.m., I-285 eastbound between Glenridge Drive and Ga. 400 will have traffic pacing (police forcing other vehicles to slow or stop) on all lanes.

On Aug. 18-22, 9 p.m. to 5 a.m., I-285 eastbound between Roswell Road and Ga. 400 will have traffic pacing (police forcing other vehicles to slow or stop) on all lanes.

The I-285 eastbound and westbound ramps to Ga. 400 will have periodic traffic pacing (police forcing other vehicles to slow or stop) between 7 a.m. and 7 p.m.

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