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.

Ga. 400 ramp closure

Aug. 6-8: Southbound ramp to I-285 westbound closed, detour on Glenridge Connector, 9 p.m. to 5 a.m.

Ga. 400 lane closures

Aug. 6-10: Southbound between North Springs MARTA Station and Abernathy Road, one right lane, 8 p.m. to 6 a.m.

I-285 lane closures

Aug. 6-7: Westbound between Peachtree-Dunwoody Road and Glenridge Drive, two right lanes, 9 p.m. to 5 a.m., and one right lane, 8 p.m. to 6 a.m.

Aug. 6-8: Eastbound between Ga. 400 and Peachtree-Dunwoody Road, two right lanes, 9 p.m. to 5 a.m.

Aug. 7-8: Westbound between Ashford-Dunwoody Road and Peachtree-Dunwoody Road, one right lane, 8 p.m. to 6 a.m.

Other traffic changes

I-285 eastbound and westbound ramps to Ga. 400 will have period traffic pacing — meaning police cars will sometimes force other vehicles to slow or stop — between 7 a.m. and 7 p.m.