Live Chat I-90 Community Nearby Traffic Hopkinton Dam (Water dam) 2024-06-12 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Hopkinton Dam (Water Dam) Southborough, MA 2.40 Ashland, MA 5.63 Westborough, MA 6.75 Interstate highway exits close to Hopkinton Dam (Water Dam) Exit 12, i90 1.88 Exit 23b a, i495ma 5.17 Exit 22, i495ma 5.87 Interstate highways close to Hopkinton Dam (Water Dam) i90 map 1.88 i495ma map 5.17 i290ma map 10.29 State roads close to Hopkinton Dam (Water Dam) MA 9 map 0.12 MA 135 map 5.43 MA 30 map 5.68