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For Immediate Release
October 2, 2026
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Lane Closure Advisory for the State Route 400
Express Lanes Project
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The project will construct new express lanes in both directions along an approximately 16-mile section of SR 400 from the Metropolitan Atlanta Rapid Transit Authority (MARTA) North Springs Station (Exit 5C) in Fulton County to approximately 1 mile north of McFarland Parkway (Exit 12) in Forsyth County.
What: Weather permitting, the Georgia Department of Transportation's (GDOT) contractors will temporarily close traffic lanes at the areas identified below to perform roadwork activities on the State Route (SR) 400 Express Lanes project. Lane closures, locations, and construction work schedules are subject to change.
Lane Closure(s):
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Activity
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Start Date
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End Date
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Times
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SR 400 Southbound
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SR 400 SB from Old Milton Parkway to Holcomb Bridge Road
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Nightly double lane closure
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Sunday, October 4
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Friday,
October 9
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9 p.m. - 5 a.m.
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SR 400 Northbound
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SR 400 NB from Abernathy Rd to Roberts Drive
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Nightly single lane closure
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Sunday, October 4
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Friday,
October 9
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9 p.m. - 5 a.m.
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SR 400 NB I-285 to Majors Road
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Nightly single lane closure
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Monday,
October 5
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Friday,
October 9
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9 p.m. - 5 a.m.
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Cross Streets
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Spalding Drive EB between Trowbridge Road and Peachtree Dunwoody Road
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Daily lane closure
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Monday,
October 5
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Friday,
October 9
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8 a.m. - 5 p.m.
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Riverside Road WB at Don White Memorial Park and Old Alabama Road
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Daily lane closure
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Monday,
October 5
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Friday,
October 9
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7 a.m. - 5 p.m.
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Mansell Road Entrance and Exit Ramps (NB and SB)
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Nightly rolling closure
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Monday,
October 5
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Friday,
October 9
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9 p.m. - 5 a.m.
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Haynes Bridge Road Entrance and Exit Ramps (NB and SB)
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Nightly rolling closure
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Monday,
October 5
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Friday,
October 9
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9 p.m. - 5 a.m.
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Old Milton Parkway Entrance and Exit Ramps (NB and SB)
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Nightly rolling closure
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Monday,
October 5
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Friday,
October 9
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9 p.m. - 5 a.m.
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Windward Parkway Entrance and Exit Ramps (NB and SB)
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Nightly rolling closure
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Monday,
October 5
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Friday,
October 9
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9 p.m. - 5 a.m.
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McGinnis Ferry Road Entrance and Exit Ramps (NB and SB)
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Nightly rolling closure
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Monday,
October 5
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Friday,
October 9
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9 p.m. - 5 a.m.
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McFarland Parkway Entrance and Exit Ramps (NB and SB)
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Nightly rolling closure
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Monday,
October 5
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Friday,
October 9
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9 p.m. - 5 a.m.
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Advisory: Motorists are advised to expect delays, exercise caution, and reduce their speed while traveling through work zones. Work schedule updates can occur due to weather or other factors, so check the SR 400 Express Lanes website for the latest updates. Additionally, before heading out, get real-time information on work status and traffic conditions by calling " 511," visiting 511ga.org, or downloading the "Georgia 511" app.
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