From Massachusetts Turnpike Ex 3 (Westfield). Follow Rte 10-202 S to Rte 20. Proceed W on Rte 20 for about 6 mi. Turn L onto Rte 23 W. Follow Rte 23 W to Otis. Then a mi past Otis, turn L onto West Shore Road, then L onto Tolland Road. Follow signs. 410 Tolland Road 01029.