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Transform 285/400: Traffic Impact Report

WHAT: 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. *NOTES: Work schedule updates can be made daily. Check project web page often for the latest updates. Detour information is shown using red text. Closures marked with **/++ – only one of these closures will be implemented WHEN/WHERE: Traffic Impacts on I-285 and SR 400 from July 10, through July 17, 2023 Daytime Closures: Monday, July 10, through Friday, July 14, 7 a.m. to 5 p.m. General Lane Closures & Traffic Pacings:
  • Shoulder closure on SR 400 northbound CD lanes at Spalding Drive
  • Shoulder closure on SR 400 southbound from Spalding Drive to Pitts Road
  • Shoulder closure on I-285 eastbound from Ashford Dunwoody Road to Chamblee Dunwoody Road
Monday, July 10, through Tuesday, July 11, 7 a.m. to 5 p.m. General Lane Closures & Traffic Pacings:
  • Shoulder closure on I-285 westbound at Peachtree Dunwoody Road
Overnight Closures:  Monday, July 10, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • One right lane on I-285 eastbound from Glenridge Drive to Peachtree Dunwoody Road
  • One right lane on I-285 eastbound from SR 400 to Ashford Dunwoody Road
  • ++One right lane on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • One right lane on SR 400 northbound at Northland Drive
  • One right lane on Peachtree Dunwoody Road southbound from Lake Hearn Drive to I-285
  • One right lane on Barfield Road southbound from Abernathy Road to Mercedes-Benz Way
  • One right lane on Abernathy Road eastbound from Aria Boulevard to Mercedes-Benz Drive
Closures and Detours: SR 400 northbound to I-285 eastbound (Detour Map)
  • Motorists traveling on SR 400 northbound to I-285 eastbound should use Exit 4B I-285 westbound and Exit 25 Roswell Road to access I-285 eastbound.
I-285 eastbound to Ashford Dunwoody Road (Detour Map)
  • Motorists traveling on I-285 eastbound to Ashford Dunwoody Road should use Exit 30 Chamblee Dunwoody Road and I-285 westbound to access Ashford Dunwoody Road (Exit 29).
Tuesday, July 11, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • One right lane on I-285 eastbound from Glenridge Drive to Peachtree Dunwoody Road
  • One right lane on I-285 eastbound from SR 400 to Ashford Dunwoody Road
  • ++One right lane on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • One right lane on SR 400 northbound at Northland Drive
  • One right lane on SR 400 southbound from Hammond Drive to Abernathy Road
  • One right lane on Peachtree Dunwoody Road southbound from Lake Hearn Drive to I-285
  • One right lane on Barfield Road southbound from Abernathy Road to Mercedes-Benz Way
  • One right lane on Abernathy Road eastbound from Aria Boulevard to Mercedes-Benz Drive
Closures and Detours: SR 400 northbound to I-285 eastbound (Detour Map)
  • Motorists traveling on SR 400 northbound to I-285 eastbound should use Exit 4B I-285 westbound and Exit 25 Roswell Road to access I-285 eastbound.
I-285 eastbound to Glenridge Drive (Detour Map)
  • Motorists traveling on I-285 eastbound to Glenridge Drive should use Exit 27 SR 400 southbound and Exit 3 Glenridge Connector to access Glenridge Drive.
I-285 eastbound to Ashford Dunwoody Road (Detour Map)
  • Motorists traveling on I-285 eastbound to Ashford Dunwoody Road should use Exit 30 Chamblee Dunwoody Road and I-285 westbound to access Ashford Dunwoody Road (Exit 29).
Wednesday, July 12, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • One right lane on I-285 eastbound from Glenridge Drive to Peachtree Dunwoody Road
  • One right lane on I-285 eastbound from SR 400 to Ashford Dunwoody Road
  • ++One right lane on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • One right lane on SR 400 northbound at Northland Drive
  • One right lane on SR 400 southbound from Abernathy Road to Hammond Drive
  • One right lane on Peachtree Dunwoody Road southbound from Lake Hearn Drive to I-285
  • One right lane on Barfield Road southbound from Abernathy Road to Mercedes-Benz Way
  • One right lane on Abernathy Road eastbound from Aria Boulevard to Mercedes-Benz Drive
Closures and Detours: SR 400 southbound to I-285 westbound (Detour Map)
  • Motorists traveling on SR 400 southbound to I-285 westbound should use Exit 4B I-285 eastbound and Exit 29 Ashford Dunwoody Road to access I-285 westbound.
I-285 eastbound to Glenridge Drive (Detour Map)
  • Motorists traveling on I-285 eastbound to Glenridge Drive should use Exit 27 SR 400 southbound and Exit 3 Glenridge Connector to access Glenridge Drive.
I-285 eastbound to Ashford Dunwoody Road (Detour Map)
  • Motorists traveling on I-285 eastbound to Ashford Dunwoody Road should use Exit 30 Chamblee Dunwoody Road and I-285 westbound to access Ashford Dunwoody Road (Exit 29).
Thursday, July 13, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • One right lane on I-285 eastbound from Glenridge Drive to Peachtree Dunwoody Road
  • One right lane on I-285 eastbound from SR 400 to Ashford Dunwoody Road
  • ++One right lane on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • One right lane on SR 400 northbound at Northland Drive
  • One right lane on SR 400 southbound from Hammond Drive to Abernathy Road
  • One right lane on Peachtree Dunwoody Road southbound from Lake Hearn Drive to I-285
  • One right lane on Barfield Road southbound from Abernathy Road to Mercedes-Benz Way
  • One right lane on Abernathy Road eastbound from Aria Boulevard to Mercedes-Benz Drive
Closures and Detours: SR 400 southbound to I-285 westbound (Detour Map)
  • Motorists traveling on SR 400 southbound to I-285 westbound should use Exit 4B I-285 eastbound and Exit 29 Ashford Dunwoody Road to access I-285 westbound.
I-285 eastbound to Glenridge Drive (Detour Map)
  • Motorists traveling on I-285 eastbound to Glenridge Drive should use Exit 27 SR 400 southbound and Exit 3 Glenridge Connector to access Glenridge Drive.
I-285 eastbound to Ashford Dunwoody Road (Detour Map)
  • Motorists traveling on I-285 eastbound to Ashford Dunwoody Road should use Exit 30 Chamblee Dunwoody Road and I-285 westbound to access Ashford Dunwoody Road (Exit 29).
Friday, July 14, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • One right lane on I-285 eastbound from Glenridge Drive to Peachtree Dunwoody Road
  • One right lane on I-285 eastbound from SR 400 to Ashford Dunwoody Road
  • ++One right lane on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • One right lane on SR 400 northbound at Northland Drive
  • One right lane on SR 400 southbound from Hammond Drive to Abernathy Road
  • One right lane on Peachtree Dunwoody Road southbound from Lake Hearn Drive to I-285
  • One right lane on Barfield Road southbound from Abernathy Road to Mercedes-Benz Way
  • One right lane on Abernathy Road eastbound from Aria Boulevard to Mercedes-Benz Drive
Closures and Detours: SR 400 southbound to I-285 westbound (Detour Map)
  • Motorists traveling on SR 400 southbound to I-285 westbound should use Exit 4B I-285 eastbound and Exit 29 Ashford Dunwoody Road to access I-285 westbound.
I-285 eastbound to Glenridge Drive (Detour Map)
  • Motorists traveling on I-285 eastbound to Glenridge Drive should use Exit 27 SR 400 southbound and Exit 3 Glenridge Connector to access Glenridge Drive.
Saturday, July 15, 9 p.m. to 9 a.m. General Lane Closures & Traffic Pacings:
  • ++One right lane on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
Closures and Detours: I-285 eastbound to Glenridge Drive (Detour Map)
  • Motorists traveling on I-285 eastbound to Glenridge Drive should use Exit 27 SR 400 southbound and Exit 3 Glenridge Connector to access Glenridge Drive.
Sunday, July 16, 9 p.m. to 9 a.m. General Lane Closures & Traffic Pacings:
  • ++One right lane on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
Click here for more information. For email updates on this project here: https://dot.us20.list-manage.com/subscribe?u=85e8270674fc9a47b18bf99be&id=92621e6905 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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