From Western Connecticut:
Route 8 North or South to Exit 39. Follow Route 6 East up Plymouth Hill. Take first left after light onto Harwinton. Take second left onto Schrowback.

From Eastern Connecticut:
I-84 West to Route 8. Follow as above.

Alternate: Route 6 or 72 into Bristol, follow into Plymouth where Route 6 and 72 intersect. Take 72 North at light. Take 3rd left onto Preston, follow to end, take left onto Schrowback.