From the WEST:

Traveling on Route 20 east (Boston Post Road ),  pass through the center of Marlborough and continue heading towards Sudbury.  After approximately 3 miles, you will pass a Hess gas station on your left. We are approximately 100 yards past Hess on your left at 796 Boston Post Road, located in the Metro West Plaza. 

NOTE: If you see the Halfway House Cafe on your left, you’ve gone too far!

From the EAST:

Traveling on Route 20 west (Boston Post Road), you will enter Marlborough and, after less than a mile, you will pass a  on your right.   Approximately 100 yards after the Halfway House Cafe is the Metro West Plaza, located at 796 Boston Post Road.  We are in the middle  of the plaza.

NOTE: If you see Hess Gas station on your right, you've gone too far!