State Route 142 | ||||
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Route information | ||||
Defined by | ||||
Maintained by Caltrans | ||||
Length: | 11.467 mi (18.454 km) | |||
Major junctions | ||||
West end: | SR 90 in Brea | |||
East end: | SR 71 in Chino Hills | |||
Highway system | ||||
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State Route 142 (SR 142), also known as Carbon Canyon Road for most of its length, runs southwest from State Route 71 in Chino Hills, through Olinda Village to its intersection with Lambert Road and Valencia Avenue in Brea. At the intersection, the highway turns south onto Valencia Avenue and ends at State Route 90, Imperial Highway. The eastern portion of the route is known as Chino Hills Parkway.
It is signed as a scenic route from the Orange-San Bernardino County line to Peyton Drive in Chino Hills. It is a popular shortcut between the Inland Empire and the business centers of Brea and surrounding Orange County; however, the road has multiple tight curves, so travel is not recommended for long vehicles, such as big rigs.
SR 142 begins in the city of Brea as Valencia Avenue at a junction with SR 90. The road heads northeast to an intersection with Carbon Canyon Road, which assumes the designation of SR 142 and continues east through Carbon Canyon Regional Park. SR 142 continues into the community of Olinda before crossing into the Sleepy Hollow area of the city of Chino Hills in San Bernardino County.