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Transform 285/400: Traffic Impact Report

Weather permitting, Georgia Department of Transportation construction partners will close lanes on I-285 eastbound and westbound and SR 400 northbound and southbound for activities to include roadway, noise barrier, and bridge construction. Travel restrictions include possible delays, reduced speeds, and detours in some areas.

Traffic Impacts on I-285 and SR 400 from Nov. 2 through Nov. 7, 2022

Continuous Weekend Closures: (Friday, Nov. 4, 9 p.m. to Monday, Nov. 7, 5 a.m.)

General Lane Closures & Traffic Pacings:

  • One right lane on I-285 westbound from Chamblee Dunwoody Road to Ashford Dunwoody Road

Closures and Detours:

Peachtree Dunwoody Road Full Closure (Detour Map)

  • Motorists traveling north on Peachtree Dunwoody Road to I-285 should use Lake Hearn Drive (road changes to Perimeter Summit Parkway) and Ashford Dunwoody Road to access I-285 eastbound and westbound.
  • Motorists traveling south on Peachtree Dunwoody Road to I-285 should use Hammond Drive and Ashford Dunwoody Road to access I-285 eastbound and westbound.
  • Motorists traveling north on Peachtree Dunwoody Road to Peachtree Dunwoody Road should use Lake Hearn Drive (road changes to Perimeter Summit Parkway), Perimeter Center Parkway and Hammond Drive to access Peachtree Dunwoody Road.
  • Motorists traveling south on Peachtree Dunwoody Road to Peachtree Dunwoody Road should use Hammond Drive, Perimeter Center Parkway, and Lake Hearn Drive to access Peachtree Dunwoody Road.
  • Motorists traveling from I-285 westbound to Peachtree Dunwoody Road south should use Hammond Drive, Perimeter Center Parkway, and Lake Hearn Drive to access Peachtree Dunwoody Road.

SR 400 southbound to I-285 westbound (Detour Map)

  • Motorists traveling on SR 400 southbound to I-285 westbound should use I-285 eastbound and Exit 29 Ashford Dunwoody Road to access I-285 westbound.

Roswell Road to I-285 eastbound (Detour Map)

  • Motorists traveling from Roswell Road to I-285 eastbound should use I-285 westbound and Exit 24 Riverside Drive to access I-285 eastbound.

Click here for more information.

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For real-time construction & traffic conditions, visit 511ga.org or download the Georgia 511 app (available in Google Play and Apple App Store).

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