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For Immediate Release
January 23, 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 State Route (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 contractors will temporarily close traffic lanes at the areas identified below to perform roadwork activities on the 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 exit ramp to Northridge Road
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Daily rolling closure
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Monday, January 26
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Friday, January 30
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7 a.m. - 5 p.m.
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SR 400 Northbound
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SR 400 NB exit ramp to Holcomb Bridge Road WB
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Daily rolling closure
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Monday, January 26
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Friday, January 30
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7 a.m. - 5 p.m.
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SR 400 NB entrance ramp from Holcomb Bridge Road
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Daily rolling closure
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Monday, January 26
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Friday, January 30
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7 a.m. - 5 p.m.
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SR 400 NB Holcomb Bridge Road to Mansell Road
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Daily shoulder closure
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Wednesday, January 28
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Friday, January 30
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9 a.m. - 3 p.m.
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Cross Streets
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Webb Bridge Road at SR 400
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Nightly shoulder closure
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Monday, January 26
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Friday, January 30
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9 p.m. - 5 a.m.
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Daily flagging operation
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Monday, January 26
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Friday, January 30
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7 a.m. - 5 p.m.
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Nightly flagging operation
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Monday, January 26
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Friday, January 30
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9 p.m. - 5 a.m.
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Mansell Road at SR 400 bus lane
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Nightly shoulder closure
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Monday, January 26
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Friday, January 30
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9 p.m. - 5 a.m.
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Spalding Drive at Peachtree Dunwoody Road
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Nightly shoulder closure
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Monday, January 26
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Friday, January 30
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9 p.m. - 5 a.m.
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Old Dogwood Road at Holcomb Bridge Road
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Nightly shoulder closure
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Monday, January 26
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Friday, January 30
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9 p.m. - 5 a.m.
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Morris Road at Tradewinds Parkway
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Nightly shoulder closure
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Monday, January 26
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Friday, January 30
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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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