Temporary Detour: Purple Line Construction on University Blvd
Updated: 10/5/2026
Advisory Effective: Oct 5, 2026 – Oct 16, 2026
Route Affected: M12
On Monday, October 5, through Friday, October 16, from 10:00pm-5:00am nightly, buses will detour due to construction for the Purple Line project. Please allow additional travel time and avoid the area if possible.
Street Closures:
- Intersection of University Blvd and Piney Branch Rd
The following route will detour:
M12 University Blvd eastbound towards Hyattsville Crossing
- Buses begin detouring on University Blvd at Piney Branch Rd, resuming regular route on University Blvd at Merrimac Dr.
M12 University Blvd westbound towards Twinbrook
- No detour required.
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TTY 202-962-2033
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