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 closures

May 7, 9 p.m. to 5 a.m., southbound ramp to I-285 eastbound closed.

May 10, 9 p.m. to 5 a.m., northbound ramp to I-285 westbound closed.

May 10-14, 9 p.m. to 5 a.m., ramps to Abernathy Road eastbound and westbound closed.

Ga. 400 lane closures

May 7, 9 p.m. to 5 a.m., southbound between Spalding Drive and North Springs MARTA Station, various lanes.

May 10, 9 p.m. to 5 a.m., northbound between Hammond Drive and Mount Vernon Highway, one right lane.

May 10-14, 9 p.m. to 5 a.m., southbound between Spalding Drive and Pitts Road, two right lanes.

May 11, 9 p.m. to 5 a.m., northbound between Johnson Ferry Road and Hammond Drive, two left lanes.

May 12 and 14, 9 p.m. to 5 a.m., northbound between Johnson Ferry Road and Hammond Drive, one left lane.

Glenridge Drive closures

May 8-9, 8 a.m. to 5 p.m., closed between Glenforest Drive and Johnson Ferry Road.

Glenridge Drive ramp closures

May 7, 9 p.m. to 5 a.m., ramp to I-285 westbound closed.

I-285 ramp closures

May 7 and 11-12 and 14, 9 p.m. to 5 a.m., eastbound ramp to Ga. 400 northbound closed.

May 10, 9 p.m. to 5 a.m., westbound ramps to Ga. 400 northbound and southbound closed.

May 12 and 14, 9 p.m. to 5 a.m., westbound ramp to Ga. 400 southbound closed.

May 12, 9 p.m. to 5 a.m., westbound ramp to Peachtree-Dunwoody Road closed.

May 13, 9 p.m. to 5 a.m., westbound ramp to Roswell Road closed.

I-285 lane closures

May 7, 9 p.m. to 5 a.m., eastbound between Long Island Drive and Lake Forrest Drive, two right lanes.

May 7, 9 p.m. to 5 a.m., eastbound between Roswell Road and Glenridge Drive, two right lanes.

May 10, 9 p.m. to 5 a.m., eastbound and westbound between Peachtree-Dunwoody Road and Glenridge Drive, two left lanes.

Peachtree-Dunwoody Road closures

May 12, 9 p.m. to 5 a.m., closed between Hammond Drive and Lake Hearn Drive.

Roswell Road lane closures

May 13, 9 p.m. to 5 a.m., northbound over I-285, one right lane.

Other traffic changes

I-285 eastbound and westbound ramps to Ga. 400 northbound and southbound will have periodic traffic pacing, 7 a.m. to 7 p.m., where police force other vehicles to slow or stop.