Rhode Island Route 77
|Maintained by RIDOT|
|Length:||14.3 mi (23.0 km)|
|South end:||Rhode Island Road in Little Compton|
| Route 179 in Tiverton
Route 177 in Tiverton
|North end:||Route 24 / Route 138 in Tiverton|
Route 77 starts at Rhode Island Road in southern Little Compton. It runs in a northerly direction and intersects Route 179. Continuing north past Route 177, Route 77 passes through downtown Tiverton. It continues north, directly paralleling the Sakonnet River, until it reaches its northern terminus at Route 24.
The entire route is in Newport County.
|Little Compton||0.0||0.0||Rhode Island Road||Southern terminus|
|Tiverton||8.6||13.8||Route 179 east (East Road)||West end of Route 179|
|11.8||19.0||Route 177 east (Bulgarmarsh Road)||West end of Route 177|
|14.2||22.9||Route 24 / Route 138 south – Newport, Boston||Northern terminus, exit 5 on Route 24 / 138|
|14.3||23.0||Route 138 north (Main Road)||Northern terminus|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi