Weekly Lane Closure Advisory for the Transform 285/400 Project

Closures marked with **/++ - Only one of these closures will be implemented.

WHEN/WHERE: Traffic Impacts on I-285 and SR 400 from October 28, through November 4, 2024

Daytime Closures:

Monday, October 28, to Friday, November 1, from 10 a.m. to 3 p.m.

• One right/left lane on SR 400 southbound CD lanes from Spalding Drive to North Springs MARTA station

Tuesday, October 29, to Thursday, October 31, from 9 a.m. to 3 p.m.

• One right lane on SR 400 northbound at Abernathy Road

Overnight Closures:

Monday, October 28, 9 p.m. to 5 a.m.

• Three right lanes on I-285 westbound from Chamblee Dunwoody Road to Ashford Dunwoody Road
• One left lane on SR 400 northbound at Windsor Parkway
• One left lane on SR 400 northbound from I-285 to Hammond Drive
• Two right lanes on SR 400 southbound from Pitts Road to Spalding Drive
• Two left lanes on SR 400 southbound at I-285

Closures and Detours:

I-285 eastbound to SR 400 southbound(Detour Map)

• Motorists traveling on I-285 eastbound to SR 400 southbound should use Exit 27 SR 400 northbound and Exit 5 Abernathy Road to access SR 400 southbound.

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

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

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

• Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Lake Hearn Drive (road changes to Perimeter Center Parkway) to access Ashford Dunwoody Road.

• Alternate Route: Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Hammond Drive to access Ashford 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.

Tuesday, October 29, 9 p.m. to 5 a.m.

• Two right lanes on SR 400 northbound at Windsor Parkway
• One left lane on SR 400 northbound from Spalding Drive to Pitts Road
• Two left lanes on SR 400 southbound from Pitts Road to Spalding Drive
• One left lane on SR 400 southbound from Hammond Drive to I-285

Closures and Detours:

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

• Motorists traveling on I-285 westbound to SR 400 southbound should use Exit 27 SR 400 northbound and Exit 5 Abernathy Road to access SR 400 southbound.

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.

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

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

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.

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.

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

• Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Lake Hearn Drive (road changes to Perimeter Center Parkway) to access Ashford Dunwoody Road.

• Alternate Route: Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Hammond Drive to access Ashford 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.

SR 400 northbound to Abernathy Road (Detour Map)

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

Wednesday, October 30, 9 p.m. to 5 a.m.

• Two right lanes on I-285 eastbound CD lanes at Glenridge Drive
• One right lane on I-285 eastbound from Ashford Dunwoody Road to Peachtree Dunwoody Road
• One left lane on SR 400 northbound from I-285 to Hammond Drive
• One left lane on SR 400 southbound from Hammond Drive to I-285

Closures and Detours:

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

• Motorists traveling on I-285 westbound to SR 400 southbound should use Exit 27 SR 400 northbound and Exit 5 Abernathy Road to access SR 400 southbound.

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

• Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Lake Hearn Drive (road changes to Perimeter Center Parkway) to access Ashford Dunwoody Road.

• Alternate Route: Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Hammond Drive to access Ashford Dunwoody Road.

SR 400 northbound 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.

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.

Thursday, October 31, 9 p.m. to 5 a.m.

• One left lane on SR 400 northbound at Windsor Parkway
• Two right lanes on SR 400 southbound from Pitts Road to Spalding Drive
• One right lane on SR 400 southbound CD lanes from Spalding Drive to North Springs MARTA Station

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.

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

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

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

• Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Lake Hearn Drive (road changes to Perimeter Center Parkway) to access Ashford Dunwoody Road.

• Alternate Route: Motorists traveling on I-285 westbound to Ashford Dunwoody Road should use Exit 28 Peachtree Dunwoody Road and Hammond Drive to access Ashford Dunwoody Road.

Friday, November 1, 9 p.m. to 5 a.m.

• One right lane on I-285 eastbound from Ashford Dunwoody Road to Peachtree Dunwoody Road
• One left lane on SR 400 northbound at Windsor Parkway
• Two right/left lanes on SR 400 southbound from Pitts Road to Spalding Drive

Closures and Detours:

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

• Motorists traveling on I-285 westbound to SR 400 southbound should use Exit 27 SR 400 northbound and Exit 5 Abernathy Road to access SR 400 southbound.

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

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

Saturday, November 2, 9 p.m. to 5 a.m.

• Two right/left lanes on SR 400 southbound from Windsor Parkway to Northland Drive

Additional project information is available at http://www.dot.ga.gov/BuildSmart/Projects/Pages/I285SR400.aspx

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*Transform285/400Release*