A ceremonial groundbreaking for the I-285/Ga. 400 interchange reconstruction project is slated for Nov. 3, according to the state Department of Transportation. But early preparation work is already underway, and major construction affecting traffic likely won’t begin until February, according to GDOT spokesperson Jill Goldberg.

The groundbreaking will feature Gov. Nathan Deal and GDOT Commissioner Russell McMurry, among other officials. Its location is still to be determined, according to Goldberg.

A GDOT illustration of the future rebuilt I-285/Ga. 400 interchange

The contracting team on the project, North Perimeter Contractors, is currently conducting such surveying and exam work as inspecting storm drains and culverts, Goldberg said.

Besides rebuilding the interchange to improve traffic flow and capacity, the project will add “collector-distributor lanes”—physically separated exit and entrance lanes—to 400 north to Sandy Springs’ Spalding Drive and to 285 between Sandy Springs’ Roswell Road and Ashford-Dunwoody Road in Dunwoody and Brookhaven. The 400/Abernathy Road interchange in Sandy Springs will be rebuilt as a “diverging diamond,” where traffic flow directions change in time with traffic lights to move cars through faster.

2 replies on “285/400 interchange project groundbreaking slated for Nov. 3; main work months away”

  1. Thank you for the heads up, Reporter. As everyone in local government has known about this for years, what has been done to ease the burden that is going to exist on the side roads? Do our government leaders expect no one to avoid the looming cluster **** and look to the Health Center corridor and Perimeter Mall area as detours around miles of back up on 285? IF leaving our Private Company town to get east was difficult up until now…….

  2. So, the governor, the GDOT commissioner and their cronies have to spend time, and hence the taxpayers money, for a photo opportunity via this ridiculous groundbreaking ceremony. This ceremony is a good example of our tax dollars (not) at work.

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