From the North -
Connect to Route 128 South (I-95). Follow Route 128 (I-95) to exit 21B. Bear left on the exit ramp and follow the sign for Walnut Street. Be careful that you do not go back onto the service road for Route 128! Follow for 1/4 mile to 70 Walnut Street on the left.

From the South -
Connect to Route 128 North (I-95). Follow Route 128 (I-95) to exit 21. Turn left at the end of the exit ramp and cross Route 128. Take an immediate left onto Walnut Street. Be careful that you do not go back onto the service road for Route 128! Follow for 1/4 mile to 70 Walnut Street on the left.

From the West and East (Boston and Logan Airport) -
Take the Mass Pike (I-90) to 128/I-95 South. Take Route 128 (I-95) to exit 21. Turn left at the end of the exit ramp and cross Route 128. Take an immediate left onto Walnut St. Be careful that you do not go back onto the service road for Route 128! Follow for 1/4 mile to 70 Walnut Street on the left.

Alternate directions from Route 9 -
Take the Cedar St. Exit just West of Route 128/I-95. Follow Cedar Street to a 4-way intersection, turn right onto Walnut Street. 70 Walnut Street is immediately on your right.