From I-93 North or South:

Get off Route 93 at the Route 60 Medford Square Exit and get onto Route 60 West.
Stay on Route 60 (High Street) to West Medford.
Take a right onto Playstead Road BEFORE railroad crossing.
You will see a Dunkin Donuts to the left at the intersection.
Park is shorty on the left.

From Route 2:

Get off at the Route 60 exit and get on Route 60 East.
Follow Route 60 through Arlington and into Medford (2 or 3 miles).
You will come to the railroad crossing in West Medford with a Dunkin Donuts on your right, Foodmaster Supermarket on your left.
Take a left immediately after the tracks onto Playstead Road park is on the left.