CHESTER COUNTY, PA — Drivers across Chester County should prepare for a series of daytime and overnight lane restrictions as PennDOT continues resurfacing and roadway improvement projects on several state and local roads through the summer and early fall.
At a Glance
- Roads Affected: Marshallton Thorndale Road, Cambridge Road, Business U.S. 30 (Lincoln Highway), Whitford Road, and Route 401 (Conestoga Road)
- Dates: June 29-Sept. 30, 2026
- Times: Various daytime and overnight hours depending on location
- Reason: Milling, paving, base repair, utility adjustments, and high-friction surface treatment
According to PennDOT, the following restrictions are scheduled:
- Marshallton Thorndale Road: Lane closures with flagging will be in place between Louanna Avenue and Business U.S. 30 (Lincoln Highway) in Caln Township from Monday, June 29, through Wednesday, July 1, from 9:00 a.m. to 3:00 p.m. and again from 7:00 p.m. to 5:00 a.m. for milling, paving, and utility adjustments.
- Cambridge Road: Lane closures with flagging are scheduled between Route 322 (Horseshoe Pike) and the Lancaster County line in Honey Brook Township from Monday, July 6, through Friday, July 10, from 6:00 p.m. to 6:00 a.m. for base repairs.
- Business U.S. 30 (Lincoln Highway): Lane closures with flagging will affect the roadway between Route 10 (Octorara Trail) and the Lancaster County line in West Sadsbury Township from Tuesday, July 7, through Friday, July 10, from 7:00 p.m. to 5:00 a.m. for milling operations.
- Whitford Road: Weekday lane closures with flagging will be in place between Burke Road and Boot Road in West Whiteland Township from Tuesday, July 7, through Wednesday, Sept. 30, from 7:00 a.m. to 3:00 p.m. for the application of high-friction surface treatments.
- Route 401 (Conestoga Road): Similar weekday restrictions are scheduled between Nantmeal Road and Moores Road in East Nantmeal Township from Tuesday, July 7, through Wednesday, Sept. 30, from 7:00 a.m. to 3:00 p.m. for high-friction surface treatment work.
No detours have been announced, but motorists should expect delays as traffic is periodically directed through active work zones. Plan extra time for travel and seek alternate routes when possible, particularly during peak commuting periods and overnight construction activities.
PennDOT said the work is part of ongoing projects to repair, mill, and repave state highways while applying safety improvements designed to provide smoother and more durable driving surfaces.
All scheduled activities are weather dependent and may be adjusted if conditions warrant.
For the latest road closures, lane restrictions, construction updates, and commuter alerts across Chester County, visit the MyChesCo Traffic Center at https://www.mychesco.com/traffic/.
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