Collier Boulevard
| State Road 951 and County Road 951 | ||||
SR 951 in red, CR 951 in blue, city-controlled portion in grey | ||||
| Route information | ||||
| Maintained by FDOT, Collier County TMS, and the city of Marco Island | ||||
| Length | 26.8 mi (43.1 km) | |||
| Major junctions | ||||
| South end | Marco Island | |||
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| North end | CR 846 near Orangetree | |||
| Location | ||||
| Country | United States | |||
| State | Florida | |||
| County | Collier | |||
| Highway system | ||||
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Collier Boulevard is a nearly 27-mile-long (43 km) north–south divided highway that extends from the south end of Marco Island through central Collier County to CR 846 (Immokalee Road) north of Golden Gate. State-maintained segments of Collier Boulevard are designated as State Road 951 (SR 951), which previously existed over the entire route from CR 92 on Marco Island to CR 846. County-maintained segments are County Road 951 (CR 951), which were relinquished from state control in the 1980s.
Due to a numbering anomaly within the Florida Department of Transportation’s numbering system of State Roads, SR 951 is the only SR 9xx highway that is not in Miami-Dade County: Krome Avenue (SR 997) lies 78 miles (126 km) to the east; the similarly numbered SR 953 (LeJeune Road) is another 12.5 miles (20.1 km) to the east of SR 997.