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, Nov. 11, update:

Weather permitting, Georgia Department of Transportation construction partners will conduct a traffic pace for tree clearing and landscape preparations, plus close lanes for construction on Mount Vernon Highway bridge, geotechnical investigations, subsurface utility investigations, and sweeping maintenance for the Transform 285/400 improvement project

 

 11_3 update

 

Traffic pacing will periodically occur on the I-285 eastbound and westbound on-ramps 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. Pacing may require the ramp lane width to be reduced to allow construction vehicles to enter and exit the work zone.

 

 Intermittent Flexible Shoulder Lane Closures Planned: 

Crews will implement daily closures on northbound and 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.

Project documents:

FAQs

Fact Sheet

Project Map