94 Concord Road, Intersection of Rt 126 and Baker Bridge Road in Lincoln, MA.
By Car From Route 2
At the intersection of Route 2 and Route 126, head south (left if driving from Boston, and right if driving from the west) on 126 toward Walden Pond.
You'll pass Walden Pond on your right. About 1 mile after that, you'll pass Baker Bridge Road on the left.
About 100 feet after passing Baker Bridge Road there will be a dirt road on your left, marked with a Food Project sign; take this left. You can park on the side of this road, and there's also a small parking area on the right immediately after the entrance that you can use.
By Public Transportation:
Take the Commuter Rail (Fitchburg line) to Lincoln Station. From the train stop, walk towards Lincoln Road. Pass a gas station on your right. After the gas station, take a right on Codman Road. Pass Codman Farm on your left. At the next intersection, turn right on Concord Road (Route 126). Continue about 3/4 mile on Concord Road and the farm is on the right.