California State Route 66
State Route 66 | ||||
|---|---|---|---|---|
| Part of Historic U.S. Route 66 | ||||
SR 66 highlighted in red; the gap represents the relinquished portion | ||||
| Route information | ||||
| Maintained by Caltrans and local jurisdictions | ||||
| Length | 8.94 mi (14.39 km) Portions of SR 66 have been relinquished to or are otherwise maintained by local or other governments, and are not included in the length. | |||
| Existed | 1974–present | |||
| Major junctions | ||||
| West end | SR 210 in La Verne | |||
| SR 83 in Upland I-15 in Rancho Cucamonga | ||||
| East end | I-215 in San Bernardino | |||
| Location | ||||
| Country | United States | |||
| State | California | |||
| Counties | Los Angeles, San Bernardino | |||
| Highway system | ||||
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State Route 66 (SR 66) is a state highway in the U.S. state of California that runs along a section of former U.S. Route 66 (US 66) in Los Angeles and San Bernardino counties. It goes from SR 210 in La Verne east to Interstate 215 (I-215) in San Bernardino. The route primarily runs along Foothill Boulevard before becoming part of Fifth Street in San Bernardino. Though some maps and signs may still mark SR 66 as continuous through the cities of Claremont, Upland, Rancho Cucamonga, and Fontana, control of segments within those cities were relinquished to those local jurisdictions and are thus no longer officially part of the state highway system.