Though it is on an island, Portsmouth is most readily accessible from RI Rt. 138:
Merge onto US-1 N via the ramp to Providence 7.1 mi5. Merge onto RI-138 E via the ramp to JamestownPartial toll road
9.8 mi6. Turn left at Admiral Kalbfus Rd/RI-138 0.6 mi7. Turn left at W Main Rd/RI-114/RI-138 0.7 mi8. Turn right at E Main Rd/RI-138
Avoid the traffic on West Main Road by taking a left onto Access Road next to a Courtyard Marriott and follow. Go down a hill and take a slight right onto Defense Road. Follow until taking a sharp right ontp Stringham Road, which will bring you back up to West Main Road. By taking this quiet, scenic road, you bypass traffic and the commercialized portion of West Main Road.
