WHAT: Weather permitting, Georgia Department of Transportation contractors will implement a new exiting pattern from State Route (SR) 400 northbound to Interstate 285 eastbound and westbound that will begin a mile sooner at Exit 4A/4B near Glenridge Connector. Weekend closures of the SR 400 northbound to I-285 westbound exit will occur as crews work to implement the new configuration WHEN: Beginning Monday, October 2 Associated nightly traffic impacts and closures begin Friday, September 29, at 9 p.m. for implementation. WHERE: Exit pattern shifting: Beginning Monday, October 2, motorists traveling SR 400 northbound to I-285 eastbound or westbound should now exit at Exit 4A/4B near Glenridge Connector. Continuous Weekend Closures: (Friday, Sept. 29, 9 p.m. to Monday, Oct. 2, 5 a.m.) SR 400 northbound to I-285 westbound (Detour Map)
- Motorists traveling on SR 400 northbound to I-285 westbound should use Exit 5 Abernathy Road and SR 400 southbound to access I-285 westbound.
- Sunday night Detour Route: 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.
- Motorists traveling on SR 400 northbound to I-285 eastbound should use Exit 5 Abernathy Road and SR 400 southbound to access I-285 eastbound.
- Motorists traveling on SR 400 northbound should use Exit 4A I-285 eastbound and Exit 29 Ashford Dunwoody Road, and I-285 westbound and to access Exit 27A SR 400 southbound.
- Glenridge Connector to SR 400 northbound
- SR 400 northbound – one, right-lane closure
- I-285 westbound to Roswell Road