The following highways are numbered 951:
| Preceded by 950 | Lists of highways 951 | Succeeded by 952 |
State Road 951 (SR 951), locally known as Collier Boulevard, is a 7-mile-long (11 km) north–south divided highway that extends from the south end of the Judge S.S. Jolley Bridge in Marco Island to Tamiami Trail near Naples Manor, along with a short 1⁄2 mile (0.80 km) piece between SR 84 and Interstate 75 (I-75). The highway once extended over 24 miles (39 km) long, traveling between Marco Island and SR 846 near Golden Gate. Portions of the former state highway are now part of County Road 951 (CR 951).
Highway 951 is a provincial highway in the north-west region of the Canadian province of Saskatchewan. It runs from Highway 941 to Highway 903. It is about 15 kilometres (9.3 mi) long.
King's Highway 109, or Highway 109, is a former provincial highway in Ontario. It was used on two separate, unrelated routes during the 1950s and 1960s:
Ontario Highway 5A (1937–1953), as a former Connecting Link in the Ontario Provincial Highway Network, bypassed portions of Ontario Highway 5 within what is now Toronto. There were two discontinuous segments:
Code page 951 is a code page number used for different purposes by IBM and Microsoft.
