Skip to content

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 the project web page often for the latest updates. Detour information is shown using red text. Closures marked with **/++ are in conflict – only one of these closures will be implemented.

WHEN/WHERE: Traffic Impacts on I-285 and SR 400 from February 5, through February 12, 2024 Daytime Closures: Monday, Feb. 5, to Friday, Feb. 9, 7 a.m. to 7 p.m.
  • Flagging on Lake Forrest Drive under I-285
Monday, Feb. 5, to Wednesday, Feb. 7, 9 a.m. to 3 p.m.
  • One left or right lane on SR 400 southbound off-ramp to I-285 westbound (starts @ 9 a.m. | ends @ 3 p.m.)
Tuesday, Feb. 6, to Wednesday, Feb. 7, 9 a.m. to 3 p.m.
  • One left lane on SR 400 southbound off-ramp to I-285 eastbound (starts @ 9 a.m. | ends @ 3 p.m.)
Tuesday, Feb. 6, to Friday, Feb. 9, 7 a.m. to 7 p.m.
  • One left or right lane on Peachtree Dunwoody Road southbound and northbound between Lake Hern Drive and Concourse Parkway
Continuous Weekend Closures: (Friday, Feb. 9, 9 p.m. to Monday, Feb. 12, 5 a.m.) General Lane Closures & Traffic Pacings:
  • One right lane on I-285 eastbound lanes from Peachtree Dunwoody Road to Ashford Dunwoody Road
  • Two left lanes on I-285 eastbound lanes at Riverside Drive
  • Two left lanes on I-285 westbound lanes at Riverside Drive
  • Two left lanes on Abernathy Road eastbound between Barfield Road and Peachtree Dunwoody Road
  • Two right lanes on Abernathy Road westbound between Peachtree Dunwoody Road and Barfield Road
Closures and Detours: 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 Drive Full Closure (Detour Map)
  • Motorists traveling on Hammond Drive to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.
  • Motorists traveling on Hammond Drive to Glenridge Connector should use Hammond Drive, Roswell Road, and Glenridge Drive to access Glenridge Connector.
  • Motorists traveling from I-285 eastbound to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
  • Motorists traveling on Johnson Ferry Road to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
Abernathy Road to SR 400 southbound (Detour Map)
  • Motorists traveling on Abernathy Road to SR 400 southbound should use SR 400 northbound and Exit 6 Northridge Drive to access SR 400 southbound.
I-285 eastbound to Roswell Road (Detour Map)
  • Motorists traveling from I-285 Roswell Road should use Exit 26 Glenridge Drive and Glenridge Drive to access Roswell Road.
  • Alternate Route: Motorists traveling from I-285 eastbound to Roswell Road should use Exit 26 Glenridge Drive and Hammond Drive to access Roswell Road.
Overnight Closures:  Monday, February 5, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • Two right lanes and on I-285 eastbound at Riverside Drive
  • Two right lanes on I-285 westbound at Chamblee Dunwoody Road
  • Two left lanes on I-285 westbound from Roswell Road to Long Island Drive
  • Two left lanes on SR 400 northbound at Windsor Parkway
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.
Barfield Road northbound to Abernathy Road eastbound (Detour Map)
  • Motorists traveling on Barfield Road southbound to Abernathy Road eastbound should use Glenlake Parkway to access Abernathy Road eastbound.
Glenridge Drive Full Closure (Detour Map)
  • Motorists traveling on Hammond Drive to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.
  • Motorists traveling on Hammond Drive to Glenridge Connector should use Hammond Drive, Roswell Road, and Glenridge Drive to access Glenridge Connector.
  • Motorists traveling from I-285 eastbound to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
  • Motorists traveling on Johnson Ferry Road to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
Tuesday, February 6, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • Two left lanes and on I-285 eastbound at Riverside Drive
  • Two right lanes on I-285 eastbound at SR 400
  • Two right lanes on I-285 westbound from Ashford Dunwoody Road to Peachtree Dunwoody Road
  • Two left lanes on SR 400 northbound at Windsor Parkway
Closures and Detours: I-285 westbound to SR 400 northbound (Detour Map)
  • Motorists traveling on I-285 westbound to SR 400 northbound should use Exit 27 SR 400 southbound and Glenridge Connector to access SR 400 northbound.
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 25 Roswell Road 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).
++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.
++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.
SR 400 southbound to Hammond Drive (Detour Map)
  • Motorists traveling on SR 400 southbound to Hammond Drive should use Exit 5 Abernathy Road and Mercedes-Benz Drive (road changes to Barfield Road) to access Hammond Drive.
Glenridge Drive Full Closure (Detour Map)
  • Motorists traveling on Hammond Drive to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.
  • Motorists traveling on Hammond Drive to Glenridge Connector should use Hammond Drive, Roswell Road, and Glenridge Drive to access Glenridge Connector.
  • Motorists traveling from I-285 eastbound to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
  • Motorists traveling on Johnson Ferry Road to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
Barfield Road northbound to Abernathy Road eastbound (Detour Map)
  • Motorists traveling on Barfield Road southbound to Abernathy Road eastbound should use Glenlake Parkway to access Abernathy Road 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.
Wednesday, February 7, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • Two left lanes on I-285 eastbound at SR 400
  • ++Three left lanes on I-285 westbound from Ashford Dunwoody Road to Peachtree Dunwoody Road
  • ++Two right lanes on I-285 westbound from Ashford Dunwoody Road to Peachtree Dunwoody Road
  • Two left lanes on SR 400 northbound at Windsor Parkway
  • One left lane on SR 400 northbound CD lanes from Johnson Ferry Road to Hammond Drive
Closures and Detours: I-285 westbound to SR 400 northbound (Detour Map)
  • Motorists traveling on I-285 westbound to SR 400 northbound should use Exit 27 SR 400 southbound and Glenridge Connector to access SR 400 northbound.
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 25 Roswell Road 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).
I-285 westbound to Peachtree Dunwoody Road (Detour Map)
  • Motorists traveling on I-285 westbound to Peachtree Dunwoody Road should use Ashford Dunwoody Road, Perimeter Center Parkway (road name changes to Lake Hearn Drive) to access Peachtree Dunwoody Road.
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.
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.
SR 400 southbound to Hammond Drive (Detour Map)
  • Motorists traveling on SR 400 southbound to Hammond Drive should use Exit 5 Abernathy Road and Mercedes-Benz Drive (road changes to Barfield Road) to access Hammond Drive.
Glenridge Drive Full Closure (Detour Map)
  • Motorists traveling on Hammond Drive to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.
  • Motorists traveling on Hammond Drive to Glenridge Connector should use Hammond Drive, Roswell Road, and Glenridge Drive to access Glenridge Connector.
  • Motorists traveling from I-285 eastbound to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
  • Motorists traveling on Johnson Ferry Road to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
Barfield Road northbound to Abernathy Road eastbound (Detour Map)
  • Motorists traveling on Barfield Road southbound to Abernathy Road eastbound should use Glenlake Parkway to access Abernathy Road 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.
Thursday, February 8, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • Two left lanes on I-285 eastbound at SR 400
  • ++Three left lanes on I-285 eastbound from Peachtree Dunwoody Road to Perimeter Center Parkway
  • ++One right lane on I-285 eastbound from Peachtree Dunwoody Road to Perimeter Center Parkway
  • One right lane on I-285 eastbound CD lanes from Peachtree Dunwoody Road to Perimeter Center Parkway
  • ++**Three left lanes on I-285 westbound from Ashford Dunwoody Road to Peachtree Dunwoody Road
  • ++**Two right lanes on I-285 westbound from Ashford Dunwoody Road to Peachtree Dunwoody Road
  • Two left lanes on SR 400 northbound at Windsor Parkway
  • One left lane on SR 400 northbound CD lanes from Johnson Ferry Road to Hammond Drive
Closures and Detours: I-285 westbound to SR 400 northbound (Detour Map)
  • Motorists traveling on I-285 westbound to SR 400 northbound should use Exit 27 SR 400 southbound and Glenridge Connector to access SR 400 northbound.
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 25 Roswell Road 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).
I-285 westbound to Peachtree Dunwoody Road (Detour Map)
  • Motorists traveling on I-285 westbound to Peachtree Dunwoody Road should use Ashford Dunwoody Road, Perimeter Center Parkway (road name changes to Lake Hearn Drive) to access Peachtree Dunwoody Road.
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.
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.
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.
SR 400 southbound to Abernathy Road (Detour Map)
  • Motorists traveling on SR 400 southbound to Abernathy Road should use Exit 5B Hammond Drive and SR 400 northbound to access Abernathy Road.
Glenridge Drive Full Closure (Detour Map)
  • Motorists traveling on Hammond Drive to I-285 westbound should use Hammond Drive and Roswell Road to access I-285 westbound.
  • Motorists traveling on Hammond Drive to Glenridge Connector should use Hammond Drive, Roswell Road, and Glenridge Drive to access Glenridge Connector.
  • Motorists traveling from I-285 eastbound to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
  • Motorists traveling on Johnson Ferry Road to Glenridge Drive north should use Glenridge Drive, Roswell Road, and Hammond Drive to access Glenridge Drive north.
Barfield Road northbound to Abernathy Road eastbound (Detour Map)
  • Motorists traveling on Barfield Road southbound to Abernathy Road eastbound should use Glenlake Parkway to access Abernathy Road 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.
Friday, February 9, 9 p.m. to 9 a.m. General Lane Closures & Traffic Pacings:
  • Two left lanes on I-285 eastbound at SR 400
  • ++Three left lanes on I-285 eastbound from Peachtree Dunwoody Road to Perimeter Center Parkway
  • ++One right lane on I-285 eastbound from Peachtree Dunwoody Road to Perimeter Center Parkway
  • One right lane on I-285 eastbound CD lanes from Peachtree Dunwoody Road to Perimeter Center Parkway
  • Two left lanes on SR 400 northbound at Windsor Parkway
  • One left lane on SR 400 northbound CD lanes from Johnson Ferry Road to Hammond Drive
Closures and Detours: I-285 westbound to SR 400 northbound (Detour Map)
  • Motorists traveling on I-285 westbound to SR 400 northbound should use Exit 27 SR 400 southbound and Glenridge Connector to access SR 400 northbound.
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 25 Roswell Road 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).
I-285 westbound to Peachtree Dunwoody Road (Detour Map)
  • Motorists traveling on I-285 westbound to Peachtree Dunwoody Road should use Ashford Dunwoody Road, Perimeter Center Parkway (road name changes to Lake Hearn Drive) to access Peachtree Dunwoody Road.
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.
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.
SR 400 southbound to Abernathy Road (Detour Map)
  • Motorists traveling on SR 400 southbound to Abernathy Road should use Exit 5B Hammond Drive and SR 400 northbound to access Abernathy 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.
 
ADVISORY:
Exact construction dates may change due to weather or other factors. Motorists are cautioned to reduce their speed while traveling through work zones. Pay attention and watch for workers. Before heading out, get real-time information on work status and traffic conditions. Call 511, visit http://www.511ga.org/ or download the Georgia 511 app.
 

More like this

Perimeter Pursuit
Explore Perimeter & Win Prizes!  March 25th – April 30th Embark on an exhilarating adventure with Perimeter Pursuit, a community discovery challenge hitting the streets of Perimeter on March 25th! Lace up your walking shoes, download the Goosechase app, and get ready for an unforgettable adventure with Perimeter Pursuit.
Read More
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.
Read More
Transform 285/400: Final SR 400 Southbound Exit to Abernathy Road and Hammond Drive opens Dec. 19
Weather permitting, Georgia Department of Transportation contractors will implement the final, new State Route 400 exiting pattern for southbound drivers seeking Abernathy Road and Hammond Drive that will begin a mile sooner at Exit 5C North Springs MARTA.
Read More