Press Release Received from MassDOT on 1/29/2026 at 4:32 PM
Advisory: Bedford, Carlisle
Overnight Closures of Route 225 Bridge over the Concord River
Detours in place nightly, Sunday, February 1, through Friday, February 6, from 8:00 p.m. to 4:30 a.m. the following morning
BEDFORD/CARLISLE – The Massachusetts Department of Transportation (MassDOT) is announcing temporary detours on the bridge carrying Route 225 over the Concord River. The detours will be in effect nightly, Sunday, February 1, through Friday, February 6, from 8:00 p.m. to 4:30 a.m. the following morning and are necessary to allow crews to safely and effectively install temporary traffic signal equipment.
During the work, the following detours will be in effect:
Route 225 westbound (Carlisle Road)
- Traffic will be detoured beginning at the intersection of North Road and Carlisle Road onto Route 4 (North Road) northbound.
- Route 4 North Road in Bedford becomes Chelmsford Road in Bedford which becomes Nashua Road in Billerica.
- Then left onto Treble Cove Road (heading southwest) in Billerica, which becomes Maple Street in Carlisle.
- Then left onto Maple Street at the intersection of East Street.
- Then left onto Maple Street at the intersection of Brook Street.
- Then right onto Route 225 Bedford Street in Carlisle.
Route 225 eastbound (Bedford Road)
- Traffic will be detoured beginning at the intersection of Bedford Road and Maple Street in Carlisle onto Maple Street heading northeast.
- Then right only Maple Street at the intersection of Brook Street.
- Then right only onto Maple Street at the intersection of East Street.
- Maple Street in Carlisle becomes Treble Cove Road in Billerica.
- Then right on Route 4 southbound (Nashua Road in Billerica).
- Route 4 Nashua Road in Billerica which becomes Chelmsford Road in Bedford which becomes North Road in Bedford.
- The detour ends at the intersection of Route 225 Carlisle Road in Bedford.
Appropriate signage, law enforcement details, and advance message boards will be in place to guide drivers through the work area.
Drivers traveling through the affected areas should expect delays, reduce speed, and use caution.
The schedule for this work is weather dependent and subject to change without notice.
For more information on traffic conditions, travelers are encouraged to:
- Download the Mass511 mobile app or visit www.mass511.com to view live cameras, travel times, real-time traffic conditions, and project information before setting out on the road. Users can subscribe to receive text and email alerts for traffic conditions.
- Dial 511 and select a route to hear real-time conditions.
- Follow @MassDOT on X (formerly known as Twitter) to receive regular updates on road and traffic conditions.
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