Directions
Take Route 2 to East to Exit 17 (Petersham exit)
Turn left at the end of the ramp onto Route 2A
Follow to the end and turn left at the stop sign onto Main Street
Continue on Main passing the High school, then hospital, then after the road shifts down hill, you'll pass the CVS on your left. Shortly after the CVS is Grove Street, on the right.
Turn right onto Grove Street. OPT is the yellow and brown English Tudor on the corner. Parking is in the back.