From East:

Head south on Rt. 16
Turn Right at Weston Rd.
Slight Left at Rt. 135
Turn Right at Concord St. / Rt. 136

From West:

Head Southeast at Granger Blvd. / US-20
Slight Right at Granger Blvd. / US-20
Right at Rt. 85
Slight Left at Framingham Rd.
Slight Left at Boston Rd. / Rt. 30
Turn Right at Central St.
Turn Left at Rt. 9 East
Turn Right at Concord St.