State Route 66 (SR 66) is a

state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...

in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

that runs along a section of old

U.S. Route 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...

Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...

and

San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...

counties. It goes from State Route 210 in La Verne east to Interstate 215 in

, passing through Claremont, Upland,

Rancho Cucamonga Rancho Cucamonga was a Mexican land grant in present-day San Bernardino County, California, given in 1839 to the dedicated soldier, smuggler and politician Tiburcio Tapia by Mexican governor Juan Bautista Alvarado. The grant formed parts of pr ...

, Fontana and

Rialto The Rialto is a central area of Venice, Italy, in the ''sestiere'' of San Polo. It is, and has been for many centuries, the financial and commercial heart of the city. Rialto is known for its prominent markets as well as for the monumental Ria ...

along Foothill Boulevard. In San Bernardino, it is the part of Fifth Street west of H Street (at the Interstate 215 interchange).

Route description

The route begins as Foothill Boulevard at the interchange with SR 210 in the city of La Verne. SR 66 heads southeast for a few miles before entering Pomona and turning due east. The highway continues into the city of Claremont, passing by

Claremont Colleges The Claremont Colleges (known colloquially as the 7Cs) are a consortium of seven private institutions of higher education located in Claremont, California, United States. They comprise five undergraduate colleges (the 5Cs)— Pomona College, Sc ...

, before crossing into Upland,

San Bernardino County San Bernardino County (), officially the County of San Bernardino, is a county located in the southern portion of the U.S. state of California, and is located within the Inland Empire area. As of the 2020 U.S. Census, the population was 2,181, ...

. In Upland, SR 66 passes by

Cable Airport Cable Airport is a non-towered public-use airport located two miles (3 km) northwest of the central business district of Upland, a city in San Bernardino County, California, United States. It is privately owned by the Cable Land Company. ...

to the south, continuing due east. The highway intersects SR 83 before entering

, where state maintenance of SR 66 currently ends. Foothill Boulevard continues east through Rancho Cucamonga through an interchange with I-15 before entering Fontana, and passing well north of the

California Speedway Auto Club Speedway, originally opened as California Speedway, is a , low-banked, D-shaped oval superspeedway in unincorporated San Bernardino County, California, near Fontana. It has hosted NASCAR racing annually since 1997. It was also previo ...

. Foothill Boulevard continues east into

, where the SR 66 designation resumes. SR 66 continues east into

, before curving to the north as 5th Street and terminating at

I-215 Interstate 215 is the designation for several Interstate Highways in the United States, all of which are related to Interstate 15 (I-15): * Interstate 215 (California), a regional Interstate bypass for I-15 and a connection to I-10 that serves the ...

south of downtown. California's legislature has relinquished state control of the segment from the Pomona–Claremont line east to the Fontana–Rialto line, and turned it over to local control. SR 66 is part of the

California Freeway and Expressway System The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both State highways and federal highways in California. It is defined by Article 2 (commenci ...

, although it is neither a freeway nor an expressway. SR 66 is part of the National Highway System,
a network of highways that are considered essential to the country's economy, defense, and mobility by the

Federal Highway Administration The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program a ...

History

As a state route, SR 66 was added to the state highway system in the 1964 state highway renumbering, from SR 30 around San Dimas to San Bernardino. By 2013, the portion from east of Pomona to the eastern boundary of Rialto had been relinquished to the various cities that the route passed through.

Major intersections

Notes

References

External links