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 September 23, through September 30, 2024

Daytime Closures:

Tuesday, September 24, from 9 a.m. to 3 p.m.

• Pacing on Glenridge Drive on-ramp to I-285 westbound

Friday, September 27, from 5 a.m. to 9 p.m.

• One left lane on I-285 eastbound CD lanes from Glenridge Drive to SR 400

Continuous Weekend Closures: (Friday, September 27, 9 p.m. to Monday, September 30, 5 a.m.)

Closures and Detours:

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

• Motorists traveling on I-285 eastbound to SR 400 northbound or southbound should use Exit 29 Ashford Dunwoody Road and I-285 westbound to access Exit 27 SR 400 northbound or southbound.

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.

Overnight Closures:

Monday, September 23, 9 p.m. to 5 a.m.

• One right lane on I-285 eastbound CD lanes at SR 400
• One left lane on I-285 eastbound at SR 400
• One left lane on I-285 westbound from SR 400 to Glenridge Drive
• One left lane on SR 400 northbound from Windsor Parkway to Glenridge Connector
• Two left lanes on SR 400 northbound from Johnson Ferry Road to I-285

Closures and Detours:

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.

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.

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.

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.

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.

Tuesday, September 24, 9 p.m. to 5 a.m.

• One left lane on I-285 eastbound CD lanes at SR 400
• One left lane on I-285 eastbound at SR 400
• Two left lanes on SR 400 northbound from Johnson Ferry Road to I-285
• One left lane on SR 400 northbound from Windsor Parkway to Glenridge Connector
• One right lane on SR 400 northbound CD lanes at Abernathy Road
• One right lane on SR 400 southbound CD lanes from Mount Vernon Highway to Hammond Drive
• One right lane on Roswell Road northbound from I-285 to Carpenter Drive

Closures and Detours:

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.

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 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.

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.

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.

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).

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.

Wednesday, September 25, 9 p.m. to 5 a.m.

• One left lane on I-285 eastbound at SR 400
• One left lane on SR 400 northbound from Windsor Parkway to Glenridge Connector
• One right lane on SR 400 northbound CD lanes at Abernathy Road
• Two right lanes on SR 400 northbound from Johnson Ferry Road to I-285
• One right lane on SR 400 southbound CD lanes from Mount Vernon Highway to Hammond Drive
• One right lane on Roswell Road northbound from I-285 to Carpenter Drive

Closures and Detours:

**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.

**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.

**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 eastbound to SR 400 northbound(Detour Map)

• Motorists traveling on I-285 eastbound to SR 400 northbound should use Exit 27 SR 400 southbound and Exit 3 Glenridge Connector to access SR 400 northbound.

**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.

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

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

++ 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 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.

++**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.

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.

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

• Motorists traveling on Roswell Road to I-285 westbound should use I-285 eastbound and Exit 26 Glenridge Drive to access I-285 westbound.

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.

Thursday, September 26, 9 p.m. to 5 a.m.

• One left lane on I-285 eastbound CD lanes at SR 400
• One left lane on I-285 eastbound at SR 400
• One left lane on SR 400 northbound from Windsor Parkway to Glenridge Connector
• Two right lanes on SR 400 southbound from Hammond Drive to Johnson Ferry Road
• One right lane on Roswell Road northbound from I-285 to Carpenter Drive

Closures and Detours:

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.

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

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

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.

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.

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.

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).

Friday, September 27, 9 p.m. to 5 a.m.

• Two left lanes on I-285 westbound from Glenridge Drive to Peachtree Dunwoody Road
• One left lane on SR 400 northbound from Windsor Parkway to Glenridge Connector
• Two right lanes on SR 400 northbound from Johnson Ferry Road to I-285
• One right lane on SR 400 southbound CD lanes from Mount Vernon Highway to Hammond Drive
• Two right lanes on SR 400 southbound from Hammond Drive to Johnson Ferry Road

Closures and Detours:

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

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

Saturday, September 28, 9 p.m. to 5 a.m.

• Three left lanes on I-285 westbound at Lake Forrest Drive
• Three right lanes on I-285 westbound from Peachtree Dunwoody Road to Glenridge Drive

Closures and Detours:

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.

Sunday, September 29, 9 p.m. to 5 a.m.

• One left on I-285 eastbound at SR 400

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.

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

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*Transform285/400Release*