Daytime detour planned in Chambersburg beginning this week: news

Daytime Detour Planned in Chambersburg: Traffic Advisory and Closure Details

A daytime traffic detour is taking effect in the Borough of Chambersburg to accommodate major storm sewer system improvements tied to the Southgate Shopping Center redevelopment project. Motorists and pedestrians traveling through downtown Chambersburg should plan for temporary weekday closures, posted detour routes, and localized travel delays.

Schedule and Hours of Operation

• Start Date: Monday, October 19, 2026

  Franklin County Free Press

• Active Hours: Monday through Friday, 7:00 AM to 5:00 PM

  Franklin County Free Press

• Evenings and Weekends: The roadway will fully reopen outside of active construction hours; no detours will be enforced overnight or on weekends.

  Franklin County Free Press

Affected Streets and Detour Scope

The primary closure impacts West Washington Street between South Water Street and South Cedar Street.

• Closed Corridors: W. Washington Street (Water St. to Cedar St.), with restricted cross-traffic along Black Avenue and adjacent connecting alleys.

  Franklin County Free Press

• Local Business & Property Access: Southgate Shopping Center remains open throughout construction, with vehicular access maintained via Cedar Street and West Catherine Street. Access to the First Evangelical Lutheran Church (43 W. Washington St.) remains accessible from the east via Water Street.

• Signage and Navigation: Borough officials and contractors have deployed posted detour signs directing through-traffic along parallel routes, primarily utilizing Cedar Street, Catherine Street, and Water Street.

  Franklin County Free Press

Driver Recommendations

Commuters and commercial vehicles traveling through southern Franklin County are encouraged to build extra travel time into morning and afternoon commutes, reduce speeds in active work zones, and follow posted detour directions to maintain neighborhood safety.