page_title: California State Route 71
section_title: Route description
hierarchical_section_title: California State Route 71 / Route description
caption_attribution_description: English: CA State Route 71 north of Corona, CA.
context_page_description: State Route 71 is a 15-mile state highway in the U.S. state of California. Serving Riverside, San Bernardino, and Los Angeles counties, it runs from SR 91 in Corona to the Interstate 10/SR 57/Kellogg Interchange at the Pomona–San Dimas boundary. The segment from SR 91 to SR 83 in Chino Hills is called the Corona Freeway, formerly the Corona Expressway and before then the Temescal Freeway. SR 71 is designated as the Chino Valley Freeway between SR 83 and the Kellogg Interchange.
context_section_description: Beginning at its southern terminus, SR 91 in Corona, SR 71 is an expressway for a half mile when it intersects with Pomona Rincon Road. SR 71 then becomes a freeway up to Rio Rancho Road, where it becomes an expressway up to Mission Boulevard. (previously it was an expressway until its northern terminus, but this segment was upgraded to freeway in 2012.) The route becomes a short freeway for about a mile until it meets at the Kellogg Interchange complex in San Dimas, where it terminates with Interstate 10 and SR 57.                                                  
  As of December 2016, all traffic signals have been removed. Traffic entering and exiting the roads that lead into the nearby neighborhoods (North Ranch Road, Old Pomona Road, and Phillips Drive) may no longer enter or exit northbound due to added barriers in the median of the highway. However, southbound traffic may use these streets. (North Ranch Road, Old Pomona Road, and Phillips Drive can enter the highway via a stop sign.) Just south of the Mission Boulevard exit, all aspects of the highway, such as its alignment, lane width, pavement, barriers, and access, 'upgrade' to freeway standards.
  The section of highway between Corona and Chino is notorious for thick winter fogs at dawn and dusk, resulting in many automobile collisions when drivers fail to slow down due to  reduced visibility. Residents of Los Serranos (now Chino Hills) recall being awakened by sounds of crinkling bumpers, fenders and headlights.
  As this freeway/expressway serves as an important northwest-southeast corridor between the cities in the Pomona and San Gabriel valleys (eastern Los Angeles County) and the cities of western Riverside County, it is heavily traveled and is used as an alternative to the Orange Freeway, State Route 57 (SR 57) located to the west, and the Ontario Freeway, Interstate 15 (I-15) located to the east.
  When the route runs through Chino Hills and Chino, there is a high-occupancy vehicle lane available for use; however, this carpool lane ends when the route enters Riverside County (to the south) and Los Angeles County (to the north). The route is a four-lane highway between SR 91 and Central Avenue (excluding HOV lanes), a six-lane highway (excluding HOV lanes) from Central Avenue to SR 60, and again a four-lane highway from SR 60 to I-10/SR 57.
  SR 71 is part of the California Freeway and Expressway System, and 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. SR 71 is eligible for the State Scenic Highway System; however, it is not designated as a scenic highway by Caltrans.
caption: State Route 71 north of Corona
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