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 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 September 18, through September 25, 2023 Daytime Closures: Monday, September 18, through Friday, September 22, 7 a.m. to 5 p.m. General Lane Closures & Traffic Pacings:
  • Shoulder closure on SR 400 southbound from Spalding Drive to North Springs MARTA Station
  • Shoulder closure on SR 400 northbound from Hammond Drive to Mount Vernon Highway
  • Shoulder closure on I-285 westbound from Glenridge Drive to Roswell Road
  • One lane on Lake Forrest Drive at I-285 (Flagging)
Saturday, September 23, 7 a.m. to 5 p.m. General Lane Closures & Traffic Pacings:
  • One left lane on Mount Vernon Highway eastbound and westbound from Crestline Parkway to Barfield Road
Continuous Weekend Closures: (Friday, Sept. 22, 9 p.m. to Monday, Sept. 25, 5 a.m.) General Lane Closures & Traffic Pacings:
  • One right lane on I-285 eastbound at Ashford 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 eastbound (Detour Map)
  • Motorists traveling on SR 400 southbound to I-285 eastbound should use Exit 4A I-285 westbound and Exit 25 Roswell 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.
Overnight Closures:  Monday, September 18, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • Four left lanes on I-285 eastbound from Riverside Drive to Glenridge Drive
  • Two right lanes on SR 400 northbound CD lanes from Hammond Drive to Abernathy Road
  • SR 400 southbound to North Springs MARTA Station ramp encroachment
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 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.
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.
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.
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 eastbound 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 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.
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, September 19, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • Four left lanes on I-285 eastbound from Riverside Drive to Glenridge Drive
  • One left lane on SR 400 northbound from I-285 to Hammond Drive
  • Two right lanes on SR 400 northbound CD lanes from Hammond Drive to Abernathy Road
  • One left lane on SR 400 southbound CD lanes from Abernathy Road to Hammond Drive
  • SR 400 southbound to North Springs MARTA Station ramp encroachment
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 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.
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.
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.
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.
SR 400 southbound to Glenridge Connector (Detour Map)
  • Motorists traveling on SR 400 southbound to Glenridge Connector should use Exit 2 Lenox Road and SR 400 northbound to access Exit 3 Glenridge Connector.
Abernathy Road eastbound 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 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.
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, September 20, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • Two left lanes on I-285 eastbound from Roswell Road to Perimeter Center Parkway
  • Three right lanes on I-285 westbound at Peachtree Dunwoody Road
  • Pacing on I-285 westbound at Peachtree Dunwoody Road
  • One right lane on I-285 westbound from Roswell Road to Lake Forrest Drive
  • One right lane on SR 400 northbound from I-285 to Hammond Drive
  • One left lane on SR 400 southbound CD lanes from Abernathy Road to Hammond Drive
  • Two left lanes on SR 400 southbound at Pitts Road
  • One right lane on Abernathy Road westbound from Glenlake Parkway to Aria Drive
  • SR 400 southbound to North Springs MARTA Station ramp encroachment
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.
Ashford Dunwoody Road to I-285 westbound (Detour Map)
  • Motorists traveling on Ashford Dunwoody Road to I-285 westbound should use I-285 eastbound and Exit 30 Chamblee Dunwoody Road to access I-285 westbound.
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.
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.
I-285 eastbound to Roswell Road (Detour Map)
  • Motorists traveling on I-285 Roswell Road should use Exit 26 Glenridge Drive and Glenridge Drive to access Roswell Road.
  • Alternate Route: Motorists traveling on I-285 eastbound to Roswell Road should use Exit 26 Glenridge Drive and Hammond Drive to access Roswell 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.
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.
SR 400 southbound to Glenridge Connector (Detour Map)
  • Motorists traveling on SR 400 southbound to Glenridge Connector should use Exit 2 Lenox Road and SR 400 northbound to access Exit 3 Glenridge Connector.
** 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.
Abernathy Road @ Barfield Road Intersection Full Closure (Detour Map)
  • Motorists traveling on Glenlake Parkway should use Glenridge Drive, Mount Vernon Highway, and Peachtree Dunwoody Road to access Abernathy Road.
  • Motorists traveling on Abernathy Road eastbound should use Glenridge Drive, Mount Vernon Highway, and Peachtree Dunwoody Road to access SR 400 northbound or southbound
  • Motorists traveling on SR 400 southbound to Abernathy Road westbound should use Abernathy Road eastbound, Peachtree Dunwoody Road, Mount Vernon Highway and Glenridge Drive to access Abernathy Road westbound.
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, September 21, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • ++ One right lane on I-285 eastbound at Peachtree Dunwoody Road
  • ++ Two left lanes on I-285 eastbound from Roswell Road to Perimeter Center Parkway
  • One left lane on I-285 westbound CD lanes from Glenridge Drive to Roswell Road
  • Three right lanes on I-285 westbound at Peachtree Dunwoody Road
  • Pacing on I-285 westbound at Peachtree Dunwoody Road
  • One right lane on I-285 westbound from Roswell Road to Lake Forrest Drive
  • One right lane on SR 400 northbound from I-285 to Hammond Drive
  • Two left lanes on SR 400 southbound at Pitts Road
  • One right lane on Abernathy Road westbound from Glenlake Parkway to Aria 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.
** Ashford Dunwoody Road to I-285 westbound (Detour Map)
  • Motorists traveling on Ashford Dunwoody Road to I-285 westbound should use I-285 eastbound and Exit 30 Chamblee Dunwoody Road to access I-285 westbound.
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.
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.
I-285 eastbound to Roswell Road (Detour Map)
  • Motorists traveling on I-285 Roswell Road should use Exit 26 Glenridge Drive and Glenridge Drive to access Roswell Road.
  • Alternate Route: Motorists traveling on I-285 eastbound to Roswell Road should use Exit 26 Glenridge Drive and Hammond Drive to access Roswell 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.
Abernathy Road @ Barfield Road Intersection Full Closure (Detour Map)
  • Motorists traveling on Glenlake Parkway should use Glenridge Drive, Mount Vernon Highway, and Peachtree Dunwoody Road to access Abernathy Road.
  • Motorists traveling on Abernathy Road eastbound should use Glenridge Drive, Mount Vernon Highway, and Peachtree Dunwoody Road to access SR 400 northbound or southbound
  • Motorists traveling on SR 400 southbound to Abernathy Road westbound should use Abernathy Road eastbound, Peachtree Dunwoody Road, Mount Vernon Highway and Glenridge Drive to access Abernathy Road westbound.
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, September 22, 9 p.m. to 5 a.m. General Lane Closures & Traffic Pacings:
  • ++ One right lane on I-285 eastbound at Peachtree Dunwoody Road
  • ++ Two left lanes on I-285 eastbound from Roswell Road to Perimeter Center Parkway
  • One left lane on I-285 westbound CD lanes from Glenridge Drive to Roswell Road
  • Three right lanes on I-285 westbound at Peachtree Dunwoody Road
  • Pacing on I-285 westbound at Peachtree Dunwoody Road
  • One right lane on SR 400 northbound from I-285 to Hammond Drive
  • Two left lanes on SR 400 southbound at Pitts Road
Closures and Detours: ** Ashford Dunwoody Road to I-285 westbound (Detour Map)
  • Motorists traveling on Ashford Dunwoody Road to I-285 westbound should use I-285 eastbound and Exit 30 Chamblee Dunwoody Road to access I-285 westbound.
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.
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.
** 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.
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.

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).

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: 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