State Highways 216-403
| Route | South or West Terminus | North or East Terminus | Comments |
| 216 | US 1; Town of Charlestown | CT State Line; Town of Hopkinton | |
| 238 | SR 138A; City of Newport | SR 138; City of Newport | |
| 246 | SR 15; Town of Providence | SR 146; Town of Lincoln | |
| 401 | SR 4; Town of East Greenwich | US 1; Town of East Greenwich | |
| 402 | SR 4; Town of East Greenwich | US 1; Town of North Kingston | |
| 403 | Quonset Point; Town of North Kingston | SR 4; Town of East Greenwich | AKA "Quonset Point Access Road" |