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• From Rte 3/Everett Tpk, take Exit 2. Follow the signs for Hudson/Rt3A.
• You will cross the Merrimack River. Stay to the left. Turn left on to Rte 3A when you reach a T (there is a set of lights at the T).
• Turn left at the next set of lights onto Flagstone Drive. This goes past a Dunkin Donuts and cuts thru an industrial park. Proceed until you reach a T.
• At the T, turn right on to Sagamore Park Road. At the end of this road is the driveway for Zco, 41 Sagamore Park Rd. Please enter the driveway cautiously since it is very steep and ends just a few feet from the Merrimack River. Enter the facility through the door at the lower parking lot level.