From North:
I - 95 to exit 9 (Route 4 which exits to the left); follow Route 4 for 2.5 miles to Quonset/Davisville exit #7, bear left at end of ramp on to Route 403 for 2.5 miles to traffic lights at entrance to Quonset Davisville Port & Commerce Park. Turn right follow signs to Quonset, road runs parallel with railroad tracks for 2 miles. Turn left at third set of lights, Toray Industries will be on corner, go to end of road, turn right on to Airport Road. OSTI is first building on right.

From South:
I - 95 to Exit 8 (Route 2), at traffic light go left to second traffic light, turn right on exit to Route 4. Take Quonset Davisville exit # 7, bear left at end of ramp on to Route 403 for 2.5 miles traffic lights at entrance to Quonset Davisville Port & Commerce Park. Turn right follow signs to Quonset, road runs parallel with railroad tracks for 2 miles. Turn left at third set of lights, Toray Industries will be on corner, go to end of road, turn right on to Airport Road. OSTI is first building on right.