From North or South of Boston:
Take Route 128 and exit at Route 9 East, Exit 20A. Take the first right after you get onto Route 9 East. The sign will say Chestnut Street. Then, make a U-turn by turning left to pass under Route 9 and left again to reverse direction. Take the first right into the Wellesley Office Park. Follow the road to 60 Williams Street which will be on your left.
From Boston:
Take the Mass Pike West to Route 128 South then exit onto Route 9 East, Exit 20A. Take the first right after you get onto Route 9 East. The sign will say Chestnut Street. Then, make a U-turn by turning left to pass under Route 9 and left again to reverse direction. Take the first right into the Wellesley Office Park. Follow the road to 60 Williams Street which will be on your left.
From West of Route 128:
Take the Mass Pike East to Route 128 South then exit onto Route 9 East, Exit 20A, or travel eastbound on Route 9 to the junction of Routes 9 and 128. Take the first right after Route 128. The sign will say Chestnut Street. Then, make a U-turn by turning left to pass under Route 9 and left again to reverse direction. Take the first right into the Wellesley Office Park. Follow the road to 60 Williams Street which will be on your left.