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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 June 26, through July 3, 2023

Overnight Closures: 

Monday, June 26, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • One right lane on I-285 eastbound Glenridge Drive to Peachtree Dunwoody Road
  • Two left lanes on I-285 eastbound CD lanes from Roswell Road to SR 400
  • ++One right lane on I-285 westbound from Glenridge Drive to Lake Forrest Drive
  • ++Two left lanes on I-285 westbound from Glenridge Drive to Lake Forrest Drive
  • One left lane on SR 400 northbound CD lanes from Hammond Drive to Abernathy Road
  • One left lane on SR 400 northbound at Spalding Drive
  • Two left lanes on SR 400 southbound at Spalding Drive
  • 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.

Glenridge Drive to I-285 westbound (Detour Map)

  • Motorists traveling on Glenridge Drive south to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.
  • Motorists traveling on Glenridge Connector to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.

Glenridge Connector to SR 400 northbound (Detour Map)

  • Motorists traveling on Glenridge Connector to SR 400 northbound or I-285 eastbound should use SR 400 southbound and Exit 3 Lenox Road to access SR 400 northbound.

Roswell Road to I-285 eastbound (Detour Map)

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

Tuesday, June 27, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • One right lane on I-285 eastbound Glenridge Drive to Peachtree Dunwoody Road
  • Two left lanes on I-285 eastbound CD lanes from Roswell Road to SR 400
  • One left lane on I-285 eastbound CD lanes from Peachtree Dunwoody Road to Ashford Dunwoody Road
  • ++One right lane on I-285 westbound from Glenridge Drive to Lake Forrest Drive
  • ++Two left lanes on I-285 westbound from Glenridge Drive to Lake Forrest Drive
  • One left lane on I-285 westbound CD lanes from Ashford Dunwoody Road to Perimeter Center Parkway
  • One left lane on SR 400 northbound CD lanes from Hammond Drive to Abernathy Road
  • One left lane on SR 400 northbound at Spalding Drive
  • Two left lanes on SR 400 southbound at Spalding Drive
  • One left lane on SR 400 southbound at Hammond Drive
  • One right lane on Abernathy Road eastbound from Aria Boulevard to Mercedes-Benz Drive
  • One right lane on Abernathy Road eastbound from SR 400 to Peachtree Dunwoody Road

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.

Glenridge Drive to I-285 westbound (Detour Map)

  • Motorists traveling on Glenridge Drive south to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.
  • Motorists traveling on Glenridge Connector to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.

Glenridge Connector to SR 400 northbound (Detour Map)

  • Motorists traveling on Glenridge Connector to SR 400 northbound or I-285 eastbound should use SR 400 southbound and Exit 3 Lenox Road to access SR 400 northbound.

** Roswell Road to I-285 eastbound (Detour Map)

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

** I-285 westbound to Roswell Road (Detour Map)

  • Motorists traveling on I-285 westbound to Roswell Road should use Exit 24 Riverside Drive and I-285 eastbound to access Exit 25 Roswell Road.

Lake Forrest Drive at I-285 Full Closure (Detour Map)

  • Motorists traveling on Lake Forrest Drive northbound should use Northwood Drive, Kingsport Drive (road changes to Lake Placid Drive), Roswell Road, Cliftwood Drive, Sandy Springs Circle, and Allen Road to access Lake Forrest Drive northbound.
  • Motorists traveling on Lake Forrest Drive southbound should use Allen Road, Roswell Road and Northwood Drive to access Lake Forrest Drive southbound.

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.

Wednesday, June 28, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • Two left lanes on I-285 eastbound CD lanes from Roswell Road to SR 400
  • One left lane on I-285 eastbound CD lanes from Peachtree Dunwoody Road to Ashford Dunwoody Road
  • Two left lanes on I-285 westbound from Peachtree Dunwoody Road to SR 400
  • One left lane on I-285 westbound CD lanes from Ashford Dunwoody Road to Perimeter Center Parkway
  • One left lane on SR 400 northbound CD lanes from Hammond Drive to Abernathy Road
  • One left lane on SR 400 northbound at Spalding Drive
  • Two left lanes on SR 400 southbound at Spalding Drive
  • One left lane on SR 400 southbound at Hammond Drive
  • One right lane on Abernathy Road eastbound from Aria Boulevard to Mercedes-Benz Drive
  • One right lane on Abernathy Road eastbound from SR 400 to Peachtree Dunwoody Road

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.

Glenridge Connector to SR 400 northbound (Detour Map)

  • Motorists traveling on Glenridge Connector to SR 400 northbound or I-285 eastbound should use SR 400 southbound and Exit 3 Lenox Road to access SR 400 northbound.

** I-285 westbound to Roswell Road (Detour Map)

  • Motorists traveling on I-285 westbound to Roswell Road should use Exit 24 Riverside Drive and I-285 eastbound to access Exit 25 Roswell Road.

** Roswell Road to I-285 eastbound (Detour Map)

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

Lake Forrest Drive at I-285 Full Closure (Detour Map)

  • Motorists traveling on Lake Forrest Drive northbound should use Northwood Drive, Kingsport Drive (road changes to Lake Placid Drive), Roswell Road, Cliftwood Drive, Sandy Springs Circle, and Allen Road to access Lake Forrest Drive northbound.
  • Motorists traveling on Lake Forrest Drive southbound should use Allen Road, Roswell Road and Northwood Drive to access Lake Forrest Drive southbound.

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.

Thursday, June 29, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • Two left lanes on I-285 eastbound CD lanes from Roswell Road to SR 400
  • One left lane on I-285 eastbound CD lanes from Peachtree Dunwoody Road to Ashford Dunwoody Road
  • One left lane on I-285 westbound CD lanes from Ashford Dunwoody Road to Perimeter Center Parkway
  • Four left lanes on I-285 westbound from Chamblee Dunwoody Road to Ashford Dunwoody Road (11 p.m. to 4 a.m.)
  • One left lane on SR 400 northbound CD lanes from Hammond Drive to Abernathy Road
  • One left lane on SR 400 northbound at Spalding Drive
  • Two left lanes on SR 400 southbound at Spalding Drive
  • One right lane on Abernathy Road eastbound from SR 400 to Peachtree Dunwoody Road

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.

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.

Glenridge Connector to SR 400 northbound (Detour Map)

  • Motorists traveling on Glenridge Connector to SR 400 northbound or I-285 eastbound should use SR 400 southbound and Exit 3 Lenox Road to access SR 400 northbound.

Roswell Road to I-285 eastbound (Detour Map)

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

Lake Forrest Drive at I-285 Full Closure (Detour Map)

  • Motorists traveling on Lake Forrest Drive northbound should use Northwood Drive, Kingsport Drive (road changes to Lake Placid Drive), Roswell Road, Cliftwood Drive, Sandy Springs Circle, and Allen Road to access Lake Forrest Drive northbound.
  • Motorists traveling on Lake Forrest Drive southbound should use Allen Road, Roswell Road and Northwood Drive to access Lake Forrest Drive southbound.

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.

Friday, June 30, 12 p.m. through Wednesday, July 5, 10 p.m.

***HOLIDAY LANE CLOSURE RESTRICTIONS – NO CLOSURES***

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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