California State Route 71
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| State Route 71 |
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| Chino Valley Freeway Defined by S&HC § 371, maintained by Caltrans |
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| Length: | 16 mi[1] (26 km) | ||||||||||||||||
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| South end: |  SR 91 in Corona |
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| Major junctions: |
 SR 142 in Chino Hills SR 60 in Pomona |
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| North end: | .svg/20px-I-10_(CA).svg.png){kind=small}  I-10 / SR 57 in San Dimas |
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State Route 71 (SR 71) is the Chino Valley Freeway, formerly the Corona Expressway and before then the Temescal Freeway, a freeway/highway of about 15 miles (24 km) in length located entirely within Southern California, United States. Contrary to its name, this highway is only a freeway in San Bernardino and Riverside counties; in Los Angeles County it is only a highway.
This route is part of the California Freeway and Expressway System[2] and is eligible for the State Scenic Highway System[3].
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[edit] Route description
| Major cities Bolded cities are officially-designated control cities for signs |
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Beginning at its northwest terminus at the Kellogg Interchange complex in San Dimas to a short distance south of Holt Avenue in Pomona, it is a four-lane (2 lanes in each direction) freeway. From that point and through most of Pomona, it is a four-lane (2 lanes in each direction) expressway with at-grade intersections with other, 'regular' streets. All are signalized except for Phillips Drive. Just north of the Rio Rancho Road exit, all aspects of the highway 'upgrade' to freeway standards in its alignment, lane width, pavement, barriers, access, etc. The freeway portion of the route ends at the San Bernardino/Riverside County line, where it reverts to a divided four-lane expressway to its terminus at its junction with the Riverside Freeway (SR 91) in Corona. Due to various budget constraints that have been exacerbated by the California state budget crisis that began in 2002, upgrades of the non-freeway segments to freeway status have been delayed.
The section of highway between Chino and Corona is notorious for thick winter fogs at dawn and dusk, resulting in many automobile collisions when drivers fail to slow down despite reduced visibility. Residents of Los Serranos (now Chino Hills) recall being awakened by sounds of crinkling bumpers, fenders and headlights.
Because of the future freeway status of the 71, very little road improvements have been made to the expressway portion and the roadway has been allowed to deteriorate. However, money has come in for some interchanges, with the interchange at Mission Boulevard to break ground in 2007.[4]
As this freeway/expressway serves as an important diagonally aligned (northwest-southeast) commuter traffic corridor between the cities in the Pomona Valley (eastern Los Angeles County) and the cities of western Riverside County, it is heavily travelled 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.
[edit] History
The original routing of Route 71 according to the 1934 listing was from U.S. 80, now Interstate 8, in San Diego north to U.S. Route 66, now State Route 66, near Claremont via Elsinore and Temecula. The early section of Chino Valley Freeway was made in 1971 from Kellogg Interchange to Pomona Freeway. The section from SR 60 to Riverside Freeway was completed in March 1998.
[edit] Other names
- Police Officer Daniel T. Fraembs Memorial Highway: Route 71 in the City of Pomona.[5]
- Mayor James Thalman and Mayor Michael Wickman Memorial Highway: Route 71 between Soquel Canyon Parkway & Pine Avenue in Chino Hills.[6]
[edit] Major intersections and exit list
- Note: Except where prefixed with a letter, postmiles were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.
| County | Location | Postmile [7][8][9] |
#[10] | Destinations | Notes |
|---|---|---|---|---|---|
| Riverside RIV R3.03-R0.00 |
Corona | R3.03 | SR 91 (Riverside Freeway) – Riverside, Beach Cities |
Southbound exit and northbound entrance | |
| Bridge over the Santa Ana River | |||||
| San Bernardino SBD R8.48-R0.00 |
Chino Hills | South end of freeway | |||
| R7.98 | 4 |  SR 83 (Euclid Avenue) / Butterfield Ranch Road |
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| R6.52 | 5 | Pine Avenue | |||
| R4.89 | 7 | Soquel Canyon Parkway, Central Avenue | |||
| R3.35 | 8 | SR 142 (Chino Hills Parkway) / Ramona Avenue |
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| Chino, Chino Hills |
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| R1.82 | 10 | Grand Avenue, Edison Avenue | |||
| R0.91 | 11 | Chino Avenue | Signed as exit 11A southbound | ||
| Chino Hills | |||||
| R0.09 | 12A | Riverside Drive, Peyton Drive | Signed as exit 11B southbound; no southbound entrance | ||
| Los Angeles LA R4.70-R0.34 |
Pomona | R4.31 | 12B | SR 60 west (Pomona Freeway) – Los Angeles |
Southbound exit is via exit 13 |
| R4.31 | 12 | SR 60 east (Pomona Freeway) – Riverside |
Northbound exit is via exit 12A | ||
| R3.61 | 13 | Rio Rancho Road | |||
| North end of freeway | |||||
| 1.62 | Mission Boulevard | At-grade intersection; interchange construction is expected to begin on Fall 2008 | |||
| South end of freeway | |||||
| 1.24 | Pomona Boulevard | ||||
| R1.48 | 14A | To I-10 east (San Bernardino Freeway) / Holt Avenue, Valley Boulevard – San Bernardino |
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| R0.34 | 15 | I-10 west (San Bernardino Freeway) – Los Angeles |
Northbound exit and southbound entrance | ||
| San Dimas | |||||
| R0.34 | SR 57 north (Orange Freeway) |
Northbound exit and southbound entrance | |||
[edit] References
- ^ January 1, 2006 California Log of Bridges on State Highways
- ^ CA Codes (shc:250-257)
- ^ CA Codes (shc:260-284)
- ^ City of Pomona - Public Works: Street Improvements - Mission Boulevard and SR 71 Grade Separation
- ^ 2007 Named Freeways, Highways, Structures and Other Appurtenances in California. Caltrans, 75. Retrieved on 2007-03-28.
- ^ Route 71 Memorial Highway One Step Closer to Completion
- ^ California Department of Transportation, State Truck Route List (XLS file), accessed February 2008
- ^ California Department of Transportation, Log of Bridges on State Highways, July 2007
- ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
- ^ California Department of Transportation, California Numbered Exit Uniform System, SR-71 Northbound and SR-71 Southbound, accessed February 2008
[edit] External links
- Caltrans: Route 71 highway conditions
- California Highways: Route 71
- California @ WestCoastRoads.com - State Route 71
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