Waltham City Hall on the Common
Rt. 95/128 to exit 26, east on Rt. 20 for about 2 miles. Turn left at Church Street, then two more lefts to go 3/4 of the way around the block and park on the upper deck of the municipal parking lot on Lexington Street. Parking is free on Sunday. Very tall van with bicycle on top? Park behind City Hall, where we'll meet, or in the small lot on the corner of Church and Main opposite City Hall. The Waltham commuter rail station is nearby. Train schedule is here: https://mbta.com/schedules/CR-Fitchburg/timetable. City Hall is a few hundred feet north of the Charles River Greenway, via Moody Street or Elm Street.