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.

Abernathy Road closures

March 15-17, 9 p.m. to 5 a.m., closed between Barfield Road and Peachtree-Dunwoody Road.

Abernathy Road ramp closures

March 13, 9 p.m. to 9 a.m., and March 14 and 18, 9 p.m. to 5 a.m., ramp to Ga. 400 southbound closed.

Ga. 400 ramp closures

March 13, 9 p.m. to 9 a.m., and March 14, 9 p.m. to 5 a.m., southbound ramps to I-285 eastbound and westbound closed.

March 15-16 and 19, 9 p.m. to 5 a.m., northbound ramp to I-285 westbound closed.

March 15-17, 9 p.m. to 5 a.m., northbound ramp to Abernathy Road westbound closed.

March 17-18, 9 p.m. to 5 a.m., northbound ramp to I-285 eastbound closed.

Ga. 400 lane closures

March 12, 9 p.m. to 5 a.m., northbound and southbound between Hammond Drive and Abernathy Road, two left lanes.

March 13, 9 p.m. to 9 a.m., and March 14, 9 p.m. to 5 a.m., southbound between Mount Vernon Highway and Lenox Road, three right lanes.

March 15-18, 9 p.m. to 5 a.m., northbound between Johnson Ferry Road and Hammond Drive, two right lanes.

March 17-18, 9 p.m. to 5 a.m., southbound between Hammond Drive and Abernathy Road, two left lanes.

March 19, 9 p.m. to 5 a.m., northbound between Johnson Ferry Road and Hammond Drive, one left lane and one right lane.

March 19, 9 p.m. to 5 a.m., southbound between Hammond Drive and Abernathy Road, two right lanes.

Glenridge Drive closures

March 12, 9 a.m., through March 13, 5 p.m., and March 14 and 19, 9 p.m. to 5 a.m., closed between Glenforest Drive and Johnson Ferry Road.

I-285 ramp closures

March 15-19, 9 p.m. to 5 a.m., eastbound ramp to Ga. 400 northbound closed.

March 19, 9 p.m. to 9 a.m., westbound ramp to Ga. 400 northbound closed.

I-285 lane closures

March 13, 9 p.m. to 9 a.m., and March 14, 9 p.m. to 5 a.m., westbound between Peachtree-Dunwoody Road and Glenridge Drive, one right lane.

March 19, 9 p.m. to 5 a.m., eastbound between Roswell Road and Glenridge Drive, one right lane.

Peachtree-Dunwoody Road closures

March 15-18, 10 p.m. to 5 a.m., closed between Hammond Drive and Lake Hearn Drive.

Peachtree-Dunwoody Road ramp closures

March 15-18, 10 p.m. to 5 a.m., ramp to I-285 eastbound closed.

Other traffic changes

March 12, 9 p.m. to 5 a.m., there will be “rolling closures” on Ga. 400 northbound and southbound between Johnson Ferry Road and Pitts Road, and on I-285 eastbound and westbound between Long Island Drive and Chamblee-Dunwoody Road.

March 13, 11:30 a.m. to noon, the following roads will have traffic pacing (police forcing other vehicles to slow or stop): I-285 eastbound between Roswell Road and Ga. 400; I-285 westbound between Chamblee-Dunwoody Road and Ga. 400; and Perimeter Center Parkway between Lake Hearn Drive and Hammond Drive.

March 13, 9 p.m. to 9 a.m., and March 14, 9 p.m. to 5 a.m., Ga. 400 southbound between Spalding Drive and Johnson Ferry Road will have traffic pacing (police forcing other vehicles to slow or stop).

March 15-19, 9 p.m. to 5 a.m., Ga. 400 northbound between Johnson Ferry Road and Hammond Drive will have traffic pacing (police forcing other vehicles to slow or stop).

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.