Interstate 605

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For the planned interstate bypass in Seattle, Washington, see Interstate 605 (Washington).

Interstate 605 marker

Interstate 605
San Gabriel River Freeway
Route information
Defined by S&HC § 619
Maintained by Caltrans
Length: 27.40 mi[2] (44.10 km)
History: 1940s as a state highway, 1964 as a number[1]
Major junctions
South end: SR 22 / I‑405 in Seal Beach
 

SR 91 in Cerritos
I‑105 in Norwalk
I‑5 in Santa Fe Springs
SR 72 in Whittier
SR 60 in Avocado Heights

I‑10 in Baldwin Park
North end: I‑210 / Huntington Dr. in Irwindale
Highway system
I-580 I-680

Interstate 605 (abbreviated I-605, officially known as the San Gabriel River Freeway and colloquially referred to as the 605 (the six-oh-five)) is a major north–south Interstate Highway in the Greater Los Angeles Area of Southern California. It is about 27 miles (43 km) in length, and runs from Seal Beach to Irwindale, closely paralleling the San Gabriel River for most of its alignment. The San Gabriel River Freeway is one of the few Southern California freeways not named after a city along its route.

This route is part of the California Freeway and Expressway System.[3]

Route description[edit]

The southern terminus of I-605 is at the San Diego (I-405) and Garden Grove (State Route 22) Freeways in Seal Beach. From there, it runs roughly north through the Gateway Cities of the Los Angeles Basin. It then shifts north-northeast, crossing the Whittier Narrows and across the San Gabriel Valley. I-605 then ends at its junction with the Foothill Freeway, (I-210) in Duarte, a small city located at the foothills of the San Gabriel Mountains.

I-605 follows most of the length of the San Gabriel River from the San Diego Freeway in Seal Beach to the Santa Fe Dam. Typically dry riverbed and flood basins are visible from many portions of the route, especially near the northern terminus. Also, the freeway features an HOV lane for carpools of two or more people throughout most of the route. The left shoulder is close to non-existent. The road also suffers from traffic jams regularly, especially near I-5 (the Santa Ana Freeway).

Signs along I-605's entrances and freeway junctions do not include destinations (control cities) such as "Seal Beach" or "Irwindale", but simply read "NORTH" or "SOUTH". In place of control cities, a simple "THRU TRAFFIC" designation is used on signs along I-605 itself.

Route 605 from Route 405 to Route 10 is known as the San Gabriel River Freeway, as named by Senate Bill 99, Chapter 1101 in 1967.[4]

Other names
  • The I-605/I-105 interchange is known as the Joe A. Gonsalves Memorial Interchange, as named by Assembly Bill 96, Chapter 129 in 2001. Gonsalves became the first person of Portuguese ancestry to become a member of the California State Legislature in 1962[5]

Transportation[edit]

Metro Express line 577 runs through Interstate 605 between Interstate 10 and Interstate 405. The Green Line serves the Norwalk Station at the interchange of the eastern terminus of Interstate 105.

History[edit]

Approaching the northern terminus of I-605

Interstate 605 began construction in 1963 and the first section was opened in 1964 from Interstate 405 to Pomona Freeway CA 60. The newest section (extension to Interstate 210) was opened in 1971 was originally signed as SR 243. Originally it was planned as I-13 running from Interstate 5 to I-15. There are plans to extend it to SR 1 further south in Orange County, but strong community opposition means that it is unlikely that the alignment will ever be built.[6]


Exit list[edit]

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, and do not necessarily reflect current mileage. R reflects a realignment in the route since then.[7] 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]
Exit
[10]
Destinations Notes
Orange
ORA 3.09-R1.64
Seal Beach 3.09 1A SR 22 west (7th Street) – Long Beach Southbound exit and northbound entrance
3.50 1B I‑405 south (San Diego Freeway) / SR 22 east (Garden Grove Freeway) – San Diego, Garden Grove Southbound exit and northbound entrance; former SR 7 south
R0.00 1C I‑405 north (San Diego Freeway) – Santa Monica Signed as exit 1A northbound; former SR 7 north
Los Alamitos R1.41 1D Katella AvenueLos Alamitos Signed as exit 1B northbound
R1.41 2A Willow Street Signed as exit 1B northbound
Los Angeles
LA R0.00-25.76
Long Beach R0.29 2B Spring Street, Cerritos Avenue Southbound exit and northbound entrance
R1.74 3 Carson Street, Lincoln Avenue – Hawaiian Gardens Former US 91
Cerritos R2.87 5A Del Amo BoulevardLakewood
R3.75 5B South Street
R5.05 7A SR 91 (Artesia Freeway)
Norwalk R5.81 7B Alondra Boulevard
R6.81 9A Rosecrans Avenue
R7.65 9B I‑105 west (Century Freeway)
R7.85 9C Imperial Highway Signed as exit 9B southbound
R8.38 10 Firestone Boulevard Former SR 42
Santa Fe Springs R9.35 11 Florence AvenueDowney
R9.61 11 I‑5 (Santa Ana Freeway) – Los Angeles, Santa Ana
R10.25 12 Telegraph Road – Santa Fe Springs
R11.54 13 Slauson Avenue
R12.05 14 Washington BoulevardPico Rivera Signed as exits 14A (west) and 14B (east) southbound
Whittier R13.57 15 SR 72 (Whittier Boulevard) – Whittier Former US 101
Pico Rivera R14.41 16 Beverly Boulevard Southbound exit to Beverly Boulevard west is via exit 17
R15.57 17 Rose Hills Road
Industry R16.65 18 Peck Road
R17.41 19 SR 60 (Pomona Freeway) – Los Angeles, Pomona
R19.39 21 Valley BoulevardIndustry Former SR 212
Baldwin Park 20.19 22 I‑10 (San Bernardino Freeway) – Los Angeles, San Bernardino Former US 99
21.07 23 Ramona BoulevardBaldwin Park, El Monte
Irwindale 22.15 24 Lower Azusa Road, Los Angeles Street
23.52 25 Live Oak Avenue – Irwindale Northbound exit and southbound entrance
23.96 26 Arrow Highway Southbound exit and northbound entrance
25.76 27 I‑210 (Foothill Freeway) – Pasadena, San Bernardino Signed as exits 27A (east) and 27B (west); no exit number southbound
Duarte 25.76 27C Huntington DriveDuarte At-grade intersection; former US 66
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

References[edit]

  1. ^ "Los Angeles Highways". Scvresources.com. Retrieved January 26, 2013. 
  2. ^ "Route Log and Finder List - Interstate System: Table 2". FHWA. Retrieved October 7, 2007. 
  3. ^ "CA Codes (shc:250-257)". Leginfo.ca.gov. Retrieved January 26, 2013. 
  4. ^ 2007 Named Freeways, Highways, Structures and Other Appurtenances in California. Caltrans. p. 62. Retrieved March 28, 2007. 
  5. ^ Ibid. 97, 185
  6. ^ http://www.cahighways.org/505-805.html#605 cahighways.org
  7. ^ a b Staff. "State Truck Route List" (XLS file). California Department of Transportation. Retrieved August 21, 2012. 
  8. ^ California Department of Transportation, Log of Bridges on State Highways, July 2007
  9. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
  10. ^ California Department of Transportation, California Numbered Exit Uniform System, Interstate 605 Freeway Interchanges, Retrieved on February 7, 2009.

Route map: Google / Bing