Arsenal Street serves more than 5,000 daily bus riders on the @mbta.com 70 bus, which is slated to be upgraded to a "frequent-service" route:
mass.streetsblog.org/2026/06/11/b...
The city and the T will host an open house for the project this Sunday, June 14 from 1 to 4 p.m. at the Watertown Free Library at 123 Main Street.
