California State Route 57

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State Route 57 marker

State Route 57
Orange Freeway
State Route 57 highlighted in red; unconstructed portion in purple
Route information
Defined by S&HC § 357
Maintained by Caltrans
Length: 25.84 mi[1][2] (41.59 km)
History: State highway in 1931; numbered in 1964
Major junctions
South end: I‑5 / SR 22 in Santa Ana
  SR 91 in Anaheim
SR 90 in Brea
SR 60 in Diamond Bar
I‑10 / SR 71 in Pomona
North end: I‑210 / SR 210 in Glendora
Highway system
SR 56 SR 58

State Route 57 (SR 57), also known as the Orange Freeway, is a north–south state highway in the Greater Los Angeles Area of California. It connects the interchange of Interstate 5 (I-5) and SR 22 near downtown Orange, locally known as the Orange Crush, to the Glendora Curve interchange with I-210 and SR 210 in Glendora. The highway provides a route across several spurs of the Peninsular Ranges, linking the Los Angeles Basin with the Pomona Valley and San Gabriel Valley.

A predecessor to this road ran through Brea Canyon by the early 20th century and was added to the state highway system. The freeway was built in stages during the 1950s, one of which included the Brea Canyon Freeway; SR 57 was designated as part of the 1964 state highway renumbering. The final portion of the present-day Orange Freeway was not completed until the mid 1970s. The latest piece of SR 57 to be added was formerly part of I-210, after SR 210 was extended to San Bernardino in 1998. An unconstructed extension from Santa Ana south to Huntington Beach remains in the legal definition of Route 57, and has been studied as a toll road above the Santa Ana River.

Route description[edit]

Southbound in San Dimas, leaving the Kellogg Hill Interchange

SR 57 begins at the Orange Crush interchange near downtown Orange, where it meets the northwest–southeast Santa Ana Freeway (I-5) and the east–west Garden Grove Freeway (SR 22). The Orange Crush interchange, which had long been considered a major bottleneck, was rebuilt in the 1990s and 2000s.[3][4] The freeway heads north from the junction and soon crosses to the west side of the Santa Ana River, continuing north through suburban portions of Anaheim and passing next to Anaheim Regional Transportation Intermodal Center, Angel Stadium and Honda Center. In northern Anaheim, SR 57 meets the Riverside Freeway (SR 91). SR 57 briefly passes through Placentia and Fullerton, providing access to California State University Fullerton. As it crosses Imperial Highway (SR 90) near the Brea Mall and enters Brea, SR 57 enters more rugged terrain before climbing through Brea Canyon, the gap between the Chino Hills and Puente Hills. Near the rim of the canyon, the highway curves north out of the Brea Canyon, and descends slightly to a junction with the Pomona Freeway (SR 60) in Diamond Bar, right on the edge of the San Gabriel Valley.[5]

A short overlap carries SR 57 traffic on the same roadway as SR 60. The two routes head northeast through an arm of the San Gabriel Valley; after they split, SR 57 ascends slightly and then slopes through the edge of the Puente Hills and into the west end of the Pomona Valley. Here it meets the San Bernardino Freeway (I-10) and Chino Valley Freeway (SR 71) at the four-level Kellogg Hill Interchange. In the north half of that interchange, SR 57 enters the San Jose Hills, climbing to its highest elevation before descending back into the connected San Gabriel and Pomona Valleys and ending at the Glendora Curve interchange with the Foothill Freeway (I-210) in Glendora.[5]

High-occupancy vehicle (HOV) lanes exist in the median of SR 57 south of SR 60 in Diamond Bar. Elevated ramps allow HOV traffic bound to or from Brea Canyon to connect with I-5 towards the southeast, SR 91 towards the west, or SR 60 towards the east without entering the main lanes.[5][6]

SR 57 is legally eligible for the State Scenic Highway System through Brea Canyon, between SR 90 and SR 60,[7] though it has not officially been designated by Caltrans as such[8] because it has not successfully been through the nomination process.[9] The entire route is in the California Freeway and Expressway System,[10] and is a freeway for its entire constructed length. SR 57 is also part of the National Highway System (NHS),[11] a network of highways that are essential to the country's economy, defense, and mobility.[12] The average annual daily traffic on SR 57 ranges from 295,000 vehicles around the Chapman Avenue exit in Fullerton to 72,000 cars at the northern terminus with I-210.[13]


Looking north from Imperial Highway (SR 90) in Brea

The road through Brea Canyon was oiled dirt by the late 1910s, providing a good connection across an outbranching of the Peninsular Ranges between the Los Angeles Basin and Pomona Valley. This road left the main coast highway (Harbor Boulevard) at Fullerton and followed the present Brea Boulevard and Brea Canyon Road, merging with the Valley Boulevard from Los Angeles near Walnut and continuing east to Pomona via Valley and Pomona Boulevards.[14] Los Angeles County paved the road in concrete in early 1923,[15] and in 1931 it was added to the state highway system as a branch of Route 19. Until then, Route 19 had connected Route 9 near Claremont with Riverside, following Garey Avenue and Mission Boulevard through Pomona.[16][17]

The state built a bypass of the Valley Boulevard portion of the route in the early-to-mid-1930s, leaving the old road near Diamond Bar and heading northeast through the foothills, along the present freeway alignment and Mission Boulevard.[18] To the south, the legislature added then-unrelated Route 180 along State College Boulevard in 1933, connecting Route 2 (I-5) near the Santa Ana River with Route 175 (Orangethorpe Avenue, later replaced by SR 91) near Placentia.[19][20] By 1955, the Brea Canyon Freeway was proposed to begin at the Santa Ana Freeway (I-5) near La Veta Avenue in Santa Ana and head north, paralleling Routes 180 and 19 to Pomona.[21][22][23] The portion northeast of Diamond Bar into Pomona soon became part of the planned Pomona Freeway, and the name of the remainder was changed to Orange Freeway.[24] The state legislature altered the definition of Route 19 to reflect this in 1957 by moving its south end to Santa Ana.[25]

Then, in 1957, the northernmost part of present SR 57 was added to the state highway system as part of Route 240, which the legislature designated along the route planned for I-210.[26] This became part of the proposed Temescal Freeway, later the Corona Freeway; a southerly extension of the Orange Freeway[24] to Legislative Route 60 (SR 1) near Huntington Beach was added in 1959 as Route 273. Also in 1959, the legislature created Route 272, extending the line of the Orange Freeway north from the Pomona Freeway to the Temescal Freeway, completing the proposed freeway corridor that is now SR 57.[27] When the entire route, except Route 240 which was still part of I-210, was redesignated SR 57 in the 1964 renumbering, none of these proposed freeways had been built; the only constructed segment was the old surface road from Fullerton towards Pomona.[28] The part of old Route 19 east of Route 272 became part of SR 60. As part of the same renumbering, Route 180 on State College Boulevard became Route 250,[29] which was amended the next year to provide for its deletion once that portion of the SR 57 freeway was completed (between I-5 and SR 91).[30]

Sign on Lambert Road in Brea

A groundbreaking ceremony was held in Placentia on January 30, 1967, to begin construction of the Orange Freeway.[31] The first portion was dedicated on May 16, 1969, and opened soon after, extending north from the Riverside Freeway (SR 91) to Nutwood Avenue.[32] Over the next few years, the freeway was completed from SR 91 north to I-10, and I-210 was built north to the present end of SR 57; the Pomona Freeway (SR 60), which overlaps it through Diamond Bar, was constructed at the same time.[2] The last pieces of that portion were the freeway through Brea Canyon, which opened March 13, 1972,[33] and the four-level Kellogg Hill Interchange at I-10, which was dedicated May 1, 1972, and opened soon thereafter.[34] Finally, the Orange Freeway was extended south from SR 91 to I-5 in the mid-1970s,[2] allowing Route 250 to be turned back to local governments, though the subsequent deletion from the Streets and Highways Code did not take place until 1981.[35] With the extension of SR 210 around San Bernardino in 1998, the former easternmost piece of I-210 to the Kellogg Hill Interchange instead became a northerly extension of SR 57,[36] though it remains officially part of the Interstate Highway System.[37]


The southerly extension to Huntington Beach remains unconstructed. In 1986, Orange County's plans were for a toll road elevated above the Santa Ana River rather than through existing neighborhoods, only extending south to the San Diego Freeway (I-405) in Costa Mesa with connections to the Corona del Mar Freeway (SR 73); this was largely inspired by congestion on SR 55 through the Santa Ana area.[38][39] The extension was considered by Caltrans as two 11.2-mile-long (18.0 km), two-lane viaducts that would cost $950 million. The toll road franchise that American Transportation Development (ATD) held for this portion of SR 57 expired in January 2001, after a request to delay the expiration until January 2007. Following this, ATD sued to restore the franchise, and this case lasted until November 2003.[40] The termination was due to ATD not beginning the construction during the first ten years of the franchise, after it had been enacted by the state legislature.[41]

In April 2009, the Orange County Transportation Authority continued to study the extension of SR 57, where the freeway would travel along the Santa Ana River and terminate at I-405 in Fountain Valley.[42]

Exit list[edit]

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see the list of postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.

County Location Postmile
Destinations Notes
ORA 10.83-R22.55
Orange 10.83 1A I‑5 south (Santa Ana Freeway) – Santa Ana Southbound exit and northbound entrance; south end of SR 57
10.83 1 SR 22 (Garden Grove Freeway) – Orange, Long Beach Southbound exit and northbound entrance; signed as exits 1B (east) and 1C (west)
10.70 1C La Veta Avenue Southbound exit and northbound entrance
11.24 1D Chapman Avenue – Orange Signed as exit 1A northbound
11.80 1E Orangewood Avenue Signed as exit 1B northbound
Anaheim 12.54 2 Katella Avenue
13.42 3 Ball Road
14.78 4 Lincoln Avenue – Anaheim
15.60 5 SR 91 (Riverside Freeway) – Los Angeles, Riverside Signed as exits 5A (east) and 5B (west)
Placentia 16.39 6A Orangethorpe Avenue Signed as exit 6 southbound; no northbound exit from SR 57 HOV lane interchange north
Fullerton 17.30 6B Chapman Avenue – Fullerton Southbound exit is part of exit 7
17.57 7 Nutwood Avenue
18.34 8 Yorba Linda Boulevard
FullertonBrea line 19.86 9 SR 90 (Imperial Highway) – Brea
Brea 20.88 10 Lambert Road
Brea 21.78 11 Tonner Canyon Road Northbound exit and southbound entrance
Los Angeles
LA R0.00-R12.21
Diamond Bar R0.91 13 Brea Canyon Road Southbound exit and northbound entrance; former SR 57
Diamond Bar R1.94 14 Diamond Bar Boulevard
R3.17 15 Pathfinder Road
Diamond BarIndustry line R4.52
R23.56[N 1]
16 SR 60 west (Pomona Freeway) – Los Angeles South end of SR 60 overlap; no exit number southbound
R24.45[N 1] 24B Grand Avenue – Diamond Bar
Diamond Bar R25.46[N 1]
SR 60 east (Pomona Freeway) – Pomona, Riverside North end of SR 60 overlap; southbound exit is via exit 18
4.98 18 Sunset Crossing Road No northbound exit
Pomona 6.17 20 Temple Avenue
PomonaSan Dimas line R7.72 21 I‑10 (San Bernardino Freeway) – Los Angeles, San Bernardino Signed as exits 22A (west) and 22B (east) southbound
San Dimas R7.94 22C SR 71 south (Chino Valley Freeway, I-10 Bus. east) / Campus Drive – Corona Southbound exit and northbound entrance
R8.71 22D Via Verde, Raging Waters Drive Signed as exit 22 northbound
R10.27 24A Covina Boulevard
R10.79 24B Arrow Highway – San Dimas
Glendora R11.57 25A Auto Centre Drive Northbound exit and southbound entrance
R12.21 25B SR 210 east (Foothill Freeway) – San Bernardino Northbound exit and southbound entrance
R12.30 I‑210 west (Foothill Freeway) – Pasadena Northbound exit and southbound entrance; north end of SR 57
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. ^ a b c Indicates that the postmile represents the distance along SR 60 rather than SR 57.


  1. ^ a b c Staff. "State Truck Route List" (XLS file). California Department of Transportation. Retrieved August 21, 2012. 
  2. ^ a b c d Staff (July 2007). "Log of Bridges on State Highways". California Department of Transportation. Retrieved February 10, 2008. 
  3. ^ "'Orange Crush' Gets Tighter". Los Angeles Times. January 28, 1992. p. 1. 
  4. ^ "Orange Crush link to shut till Monday". Orange County Register (Santa Ana, California). November 18, 2006. 
  5. ^ a b c ACME Maps. ACME Mapper 2.0 (Map). Cartography by Google Maps.,-117.85995&z=10&t=M. Retrieved April 8, 2011.
  6. ^ Staff (2005–2006). "Interregional HOV System Status" (PDF). California Department of Transportation. Archived from the original on May 8, 2008. Retrieved April 9, 2011. 
  7. ^ California State Legislature. "Streets and Highways Code Section 260–284". California State Legislature. Retrieved April 8, 2011. 
  8. ^ Staff (December 7, 2007). "Officially Designated State Scenic Highways and Historic Parkways". California Department of Transportation. Retrieved April 8, 2011. 
  9. ^ Staff (2012). Scenic Highway Guidelines. California Department of Transportation. p. 5. Retrieved July 29, 2012. 
  10. ^ "Streets and Highways Code Section 250–257". California State Legislature. Retrieved April 8, 2011. 
  11. ^ "Los Angeles". National Highway System. Federal Highway Administration. Retrieved February 5, 2012. 
  12. ^ Adderly, Kevin (August 26, 2010). "The National Highway System". Planning, Environment, and Realty. Federal Highway Administration. Retrieved January 1, 2011. 
  13. ^ a b "All Traffic Volumes on CSHS". California Department of Transportation. 2005–2006. Retrieved February 10, 2008. 
  14. ^ Staff (1919). Official Automobile Blue Book Volume Eight. The Automobile Blue Book Publishing Co. p. 530. 
  15. ^ "New Road Winds In and Out". Los Angeles Times. February 25, 1923. p. VI8. 
  16. ^ "An act establishing certain additional state highways and classifying them as secondary highways". Statutes of California. Forty-ninth Session of the Legislature. State of California. 1931. Chapter 82 page 103. "Pomona to Fullerton via Brea canyon." 
  17. ^ "An act to establish a Streets and Highways Code...". Statutes of California. Fifty-first Session of the Legislature. State of California. 1935. Chapter 29 page 276. "Route 19 is from: (a) Route 9 west of Claremont to Beaumont via Riverside. (b) Pomona to Fullerton via Brea Canyon." 
  18. ^ Rand McNally & Company (1933). Los Angeles & Vicinity (Map). Retrieved February 13, 2008.
  19. ^ "An act...relating to...the addition of certain highways to the State system". Statutes of California. Fiftieth Session of the Legislature. State of California. 1933. Chapter 767 page 2040. "State Highway Route 2 near Orange County Hospital northerly to Hermosa Beach-Santa Ana Canyon Road." 
  20. ^ "An act to establish a Streets and Highways Code...". Statutes of California. Fifty-first Session of the Legislature. State of California. 1935. Chapter 29 page 286. "Route 180 is from Route 2 near Orange County Hospital northerly to Route 175." 
  21. ^ "Brea Canyon Freeway Plan Pushed". Los Angeles Times. July 16, 1955. p. 13. 
  22. ^ "Propose Four New Routes for Freeways". Valley News (Van Nuys, California). November 2, 1955. 
  23. ^ Los Angeles Metropolitan Traffic Association (1956). Proposed Freeway System for the Los Angeles Metropolitan Area (Map). Retrieved February 13, 2008.
  24. ^ a b Metropolitan Transportation Engineering Board (February 28, 1958) (PDF). Master Plan of Freeways and Expressways (Map).
  25. ^ "An act...relating to state highway routes". Statutes of California. 1957 Session of the Legislature. State of California. 1957. Chapter 1911 page 3342. "Route 19 is from:...(b) Pomona to Route 2 near Santa Ana." 
  26. ^ "An act to add Section 560 to the Streets and Highways Code, relating to state highways, declaring the urgency thereof, to take effect immediately". Statutes of California. 1957 Session of the Legislature. State of California. 1957. Chapter 24 page 578. "Route 240 is hereby added to the State Highway System, to extend from Route 4 near Glendale to Route 26 near the east boundary of Los Angeles County..." 
  27. ^ "An act to amend...the Streets and Highways Code, relating to state highways, providing for a California Freeway and Expressway System...". Statutes of California. 1959 Session of the Legislature. State of California. 1959. Chapter 1062 page 3120. "Route 272 is from Route 19 near City of Industry to Route 26 near Pomona... Route 273 is from Route 60 near Huntington Beach to Route 179 near Santa Ana." 
  28. ^ Division of Highways. Los Angeles and Vicinity, 1963 (Map). Retrieved February 13, 2008.
  29. ^ "An act...relating to routes on the state highway system". Statutes of California. 1963 Session of the Legislature. State of California. 1963. Chapter 385 page 1176, 1188. "Route 57 is from: (a) Route 1 near Huntington Beach to Route 22 near Santa Ana. (b) Route 5 near Santa Ana to Route 210 near Route 10 and Pomona, passing near Industry... Route 250 is from Route 5 near Orange County Hospital northerly to Route 91." 
  30. ^ "An act...relating to state highways". Statutes of California. 1965 Session of the Legislature. State of California. 1965. Chapter 1372 page 3276. "This route shall cease to be a state highway when Route 57 freeway is completed from Route 5 to Route 91." 
  31. ^ "Work Started on Orange Freeway". Los Angeles Times. January 31, 1967. p. OC8. 
  32. ^ "Orange Freeway Section to Open". Independent Press-Telegram (Long Beach, California). May 17, 1969. 
  33. ^ Seelye, Howard (March 13, 1972). "Orange Freeway Through Canyon to Open Today". Los Angeles Times. p. D1. 
  34. ^ "New Freeway Hub Dedicated". Montclair Tribune. May 4, 1972. 
  35. ^ "An act to amend...the Streets and Highways Code, relating to state highways". Statutes of California. 1981–1982 Session of the Legislature. State of California. 1981. Chapter 292 page 1419. 
  36. ^ "An act to amend Sections 253.1, 263.3, 263.8, 357, and 510 of, and to repeal Section 330 of, the Streets and Highways Code, relating to highways". Statutes of California. 1997–1998 Session of the Legislature. State of California. 1998. Chapter 221. "Route 57 is from:...(b) Route 5 near Santa Ana to Route 210 near San Dimas." 
  37. ^ Federal Highway Administration (May 2003) (PDF). National Highway System: Los Angeles—Long Beach—Santa Ana CA (Map).
  38. ^ Murphy, Kim (January 7, 1986). "Interest Growing in 2 Traffic Proposals for Santa Ana Area". Los Angeles Times. p. 1. 
  39. ^ Perlman, Jeffrey A. (July 29, 1986). "Hundreds Cheer as Panel Turns Down [Garden Grove] Freeway Extension". Los Angeles Times. p. 1. 
  40. ^ "Private Investment / Public Infrastructure: Route 57 (Orange County)". California Department of Transportation. Retrieved February 2008. 
  41. ^ "Orange County; Road Study Decision Is Delayed". Los Angeles Times. March 25, 2003. p. B3. Retrieved February 11, 2012. 
  42. ^ Mello, Michael (April 1, 2009). "57 freeway may get long-awaited extension". Orange County Register (Santa Ana, California). Retrieved April 5, 2009. 
  43. ^ Warring, KS. "State Route 57 Freeway Interchanges". California Numbered Exit Uniform System. California Department of Transportation. Retrieved February 5, 2009. 
  44. ^ Warring, KS. "State Route 60 Freeway Interchanges". California Numbered Exit Uniform System. California Department of Transportation. Retrieved February 5, 2009. 

External links[edit]

Route map: Google / Bing