Transform 285/400

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The Georgia Department of Transportation's Transform 285/400 improvement project is designed to help reduce traffic congestion and enhance safety in the area near the I-285/SR 400 interchange in metro Atlanta. This priority project adds new flyover ramps, new collector-distributor lanes and other facilities to aid east-west travel along I-285 and north-south travel along SR 400.

The project will improve 4.3 miles of I-285 from west of Roswell Road to east of Ashford Dunwoody Road and 6.2 miles along SR 400 from the Glenridge Connector to Spalding Drive.

Friday, July 14, update:

Weather permitting, Georgia Department of Transportation construction partners will implement nighttime lane closures to conduct geotechnical investigations, survey work, time-lapse camera installation, and drainage cleaning and video for the Transform 285/400 improvement project.
 
Traffic pacing will periodically occur on the I-285 westbound on-ramp to SR 400, both northbound and southbound, from 7 a.m. to 7 p.m. to assist crews with tree clearing and landscape prep activities.
 
 

 7_14 update

Intermittent Flexible Shoulder Lane Closures Planned: 

Crews will implement daily closures on southbound SR 400 flexible shoulder lanes between the MARTA North Springs station ramp and Pitts Road, daily between 7 a.m. and 7 p.m.

Lanes will be closed intermittently to facilitate construction of the Transform 285/400 improvement project. Near-term closures will facilitate tree clearing efforts and utility relocations in preparation for interchange reconstruction.

Click here for more project and work updates from GDOT.

Project documents:

FAQs

Fact Sheet

Project Map