From the Hartford area:
I-91 to Route 9 south to exit 3, left on to Route 153, left at the light on to West Avenue to Main Street. First white building on the left.

From I-95 north (Boston) or south (New York):
Route 9 north to exit 3, left on to Route 153, right at the light on to West Avenue to Main Street. First white building on the left.