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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:

WHEN/WHERE: Traffic Impacts on I-285 and SR 400 from Apr. 3, through Apr. 10, 2023

Continuous Weekend Closures: (Friday, Apr. 7, 9 p.m. to Monday, Apr. 10, 5 a.m.)

Closures and Detours:

Roswell Road to I-285 westbound (Detour Map)

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

Daytime Closures:

General Lane Closures & Traffic Pacings:

Monday, April 3, to Friday, April 7, from 7 a.m. to 5 p.m.

General Lane Closures & Traffic Pacings:

  • Shoulder closure on SR 400 southbound to Hammond Drive
  • Shoulder closure on I-285 eastbound from Ashford Dunwoody Road to Chamblee Dunwoody Road
  • Shoulder closure on I-285 eastbound from SR 400 to Glenridge Drive

Overnight Closures: 

Monday, April 3, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • Two right lanes on I-285 eastbound at Long Island Drive
  • **One right lane on I-285 eastbound CD lanes from Roswell Road to Glenridge Drive
  • **Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • Two left lanes on I-285 eastbound from Mount Vernon Highway to Long Island Drive
  • ++One right lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • ++One left lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • One right lane on SR 400 northbound from Glenridge Connector to I-285
  • One right lane on Roswell Road southbound at I-285
  • Two right lane on Peachtree Dunwoody Road southbound at Lake Hearn 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 Connector to SR 400 northbound (Detour Map)

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

Roswell Road to I-285 westbound(Detour Map)

  • Motorists traveling on Roswell Road to I-285 westbound should use 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.

Peachtree Dunwoody Road to I-285 eastbound (Detour Map)

  • Motorists traveling from Peachtree Dunwoody Road to I-285 eastbound should use Lake Hearn Drive, Hammond Drive, and Ashford Dunwoody Road to access I-285 eastbound.

Ashford Dunwoody Road to I-285 eastbound (Detour Map)

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

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.

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.

Tuesday, April 4, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • Two right lanes on I-285 eastbound at Long Island Drive
  • **One right lane on I-285 eastbound CD lanes from Roswell Road to Glenridge Drive
  • One right lane on I-285 eastbound at Ashford Dunwoody Road
  • **Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • Two left lanes on I-285 eastbound from Mount Vernon Highway to Long Island Drive
  • ++One right lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • ++One left lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • One right lane on SR 400 northbound from Glenridge Connector to I-285
  • One right lane on Roswell Road southbound at I-285
  • Two right lane on Peachtree Dunwoody Road southbound at Lake Hearn 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 Connector to SR 400 northbound (Detour Map)

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

Roswell Road to I-285 westbound (Detour Map)

  • Motorists traveling on Roswell Road to I-285 westbound should use 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.

Peachtree Dunwoody Road to I-285 eastbound (Detour Map)

  • Motorists traveling from Peachtree Dunwoody Road to I-285 eastbound should use Lake Hearn Drive, Hammond Drive, and Ashford Dunwoody Road to access I-285 eastbound.

Ashford Dunwoody Road to I-285 eastbound (Detour Map)

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

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.

Mount Vernon Highway Full Closure (Detour Map)

  • Motorists traveling on eastbound on Mount Vernon Highway should use Barfield Drive (road changes to Mercedes-Benz Drive) and Abernathy Road to access Mount Vernon Highway.
  • Motorists traveling westbound on Mount Vernon Highway should use Peachtree Dunwoody Road, Abernathy Road, and Mercedes-Benz Drive (road changes to Barfield Drive) to access Mount Vernon Highway.

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.

Wednesday, April 5, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • Two right lanes on I-285 eastbound at Long Island Drive
  • **One right lane on I-285 eastbound CD lanes from Roswell Road to Glenridge Drive
  • **Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • Two left lanes on I-285 eastbound from Mount Vernon Highway to Long Island Drive
  • ++One right lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • ++One left lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • One right lane on SR 400 northbound from Glenridge Connector to I-285
  • One right lane on Roswell Road southbound at I-285
  • Two right lane on Peachtree Dunwoody Road southbound at Lake Hearn 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 Connector to SR 400 northbound (Detour Map)

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

Roswell Road to I-285 westbound (Detour Map)

  • Motorists traveling on Roswell Road to I-285 westbound should use 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.

Peachtree Dunwoody Road to I-285 eastbound (Detour Map)

  • Motorists traveling from Peachtree Dunwoody Road to I-285 eastbound should use Lake Hearn Drive, Hammond Drive, and Ashford Dunwoody Road to access I-285 eastbound.

Ashford Dunwoody Road to I-285 eastbound (Detour Map)

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

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.

Mount Vernon Highway Full Closure (Detour Map)

  • Motorists traveling on eastbound on Mount Vernon Highway should use Barfield Drive (road changes to Mercedes-Benz Drive) and Abernathy Road to access Mount Vernon Highway.
  • Motorists traveling westbound on Mount Vernon Highway should use Peachtree Dunwoody Road, Abernathy Road, and Mercedes-Benz Drive (road changes to Barfield Drive) to access Mount Vernon Highway.

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.

Thursday, April 6, 9 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • Two right lanes on I-285 eastbound at Long Island Drive
  • **One right lane on I-285 eastbound CD lanes from Roswell Road to Glenridge Drive
  • **Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • Two left lanes on I-285 eastbound from Mount Vernon Highway to Long Island Drive
  • ++One right lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • ++One left lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • One right lane on SR 400 northbound from Glenridge Connector to I-285
  • Two left lanes on SR 400 northbound from Mount Vernon Highway to Abernathy Road
  • One right lane on SR 400 southbound CD lanes from Abernathy Road to Mount Vernon Highway
  • One right lane on Roswell Road southbound at I-285
  • Two right lane on Peachtree Dunwoody Road southbound at Lake Hearn 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 Connector to SR 400 northbound (Detour Map)

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

Roswell Road to I-285 westbound (Detour Map)

  • Motorists traveling on Roswell Road to I-285 westbound should use 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.

Peachtree Dunwoody Road to I-285 eastbound (Detour Map)

  • Motorists traveling from Peachtree Dunwoody Road to I-285 eastbound should use Lake Hearn Drive, Hammond Drive, and Ashford Dunwoody Road to access I-285 eastbound.

Abernathy Road to SR 400 northbound (Detour Map)

  • Motorists traveling on Abernathy Road to SR 400 northbound should use Peachtree Dunwoody Road and Hammond Drive to access SR 400 northbound.
  • Motorists traveling west on Abernathy Road to SR 400 northbound should use Mercedes-Benz Drive (road changes to Barfield Drive) and Hammond Drive to access SR 400 northbound.

North Springs MARTA Station to SR 400 northbound (Detour Map)

  • Motorists traveling from North Springs MARTA station to SR 400 northbound should use Peachtree Dunwoody Road and Abernathy Road to access SR 400 northbound.

Ashford Dunwoody Road to I-285 eastbound (Detour Map)

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

SR 400 northbound CD lanes to Abernathy Road (Detour Map)

  • Motorists traveling on SR 400 northbound to Abernathy Road should use Northridge Road and SR 400 southbound to access Abernathy Road.

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

  • Motorists traveling on SR 400 northbound to I-285 westbound should use Exit 4A I-285 eastbound and Exit 29 Ashford Dunwoody Road to access I-285 westbound.

I-285 westbound CD lanes to Roswell Road (Detour Map)

  • Motorists traveling on I-285 westbound CD Lanes to Roswell Road will 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.

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.

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.

Abernathy Road Full Closure (Detour Map)

  • Motorists traveling on Abernathy Road eastbound should use Mercedes-Benz Drive (road changes to Barfield Road), Mount Vernon Highway, and Peachtree Dunwoody Road to access Abernathy Road.
  • Motorists traveling on Abernathy Road westbound should use Peachtree Dunwoody Road, Mount Vernon Highway, and Barfield Road (road changes to Mercedes-Benz Drive) to access Abernathy Road.
  • Motorists traveling on SR 400 northbound to Abernathy Road westbound should use Abernathy Road, Peachtree Dunwoody Road, Mount Vernon Highway, and Barfield Road (road changes to Mercedes-Benz Drive) to Abernathy Road westbound.
  • Motorists traveling on SR 400 southbound to Abernathy Road eastbound should use Abernathy Road, Mercedes-Benz Drive (road changes to Barfield Road), Mount Vernon Highway, and Peachtree Dunwoody Road to access Abernathy Road eastbound.

Friday, April 7, 9 p.m. to 9 a.m.

General Lane Closures & Traffic Pacings:

  • Two right lanes on I-285 eastbound at Long Island Drive
  • **One right lane on I-285 eastbound CD lanes from Roswell Road to Glenridge Drive
  • **Two left lanes on I-285 eastbound CD lanes from Glenridge Drive to SR 400
  • Two left lanes on I-285 eastbound from Mount Vernon Highway to Long Island Drive
  • ++One right lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • ++One left lane on I-285 westbound from Long Island Drive to Mount Vernon Highway
  • One right lane on SR 400 northbound from Glenridge Connector to I-285
  • One right lane on Roswell Road southbound at I-285
  • Two right lane on Peachtree Dunwoody Road southbound at Lake Hearn 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 Connector to SR 400 northbound/I-285 eastbound (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 and I-285 eastbound.

Peachtree Dunwoody Road to I-285 eastbound (Detour Map)

  • Motorists traveling from Peachtree Dunwoody Road to I-285 eastbound should use Lake Hearn Drive, Hammond Drive, and Ashford Dunwoody Road to access I-285 eastbound.

Ashford Dunwoody Road to I-285 eastbound (Detour Map)

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

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.

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.

Saturday, April 8, 9 p.m. to 9 a.m.

General Lane Closures & Traffic Pacings:

  • One left lane on SR 400 northbound CD lanes from Hammond Drive to Abernathy Road

Closures and Detours:

Hammond Drive to SR 400 northbound (Detour Map)

  • Motorists traveling on Hammond Drive to SR 400 northbound should use Peachtree Dunwoody Road, Barfield Drive, and Abernathy Road to access SR 400 northbound.

 

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