Interstate 605
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| Interstate 605 Auxiliary route of the Interstate Highway System |
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| San Gabriel River Freeway Defined by S&HC § 619, maintained by Caltrans |
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| Length: | 27.40 mi[1] (44.10 km) | ||||||||||||
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| History: | 1940s as a state highway, 1964 as a number[2] | ||||||||||||
| South end: |   I-405 / SR 22 in Seal Beach |
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| Major junctions: |
 SR 91 near Lakewood I-5 near Norwalk I-10 near El Monte |
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| North end: |  I-210 / Huntington Dr. in Irwindale |
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>Interstate 605 (abbreviated I-605, and colloquially referred to as the 605 or 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. Thus, it is officially known as the San Gabriel River Freeway, 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]
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[edit] Route description
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.
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" — a rarity in Southern California. In place of control cities, a simple "THRU TRAFFIC" designation is used.
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]
[edit] Transportation
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.
[edit] History
Interstate 605 began construction and the first section was opened in 1964 from Interstate 405 to Interstate 10. The newest section (extension to the 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, however due to strong community opposition this is unlikely that the alignment will ever be built.[6]
[edit] 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 |
|---|---|---|---|---|---|
| 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 R0.00 |
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 | ||
| 1C | I-405 north (San Diego Freeway) – Santa Monica |
Signed as exit 1A northbound; former SR 7 north | |||
| Los Alamitos | R1.41 | 1D | Katella Avenue – Los 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 | |||
| Cerritos | R2.87 | 5A | Del Amo Boulevard – Lakewood | ||
| R3.75 | 5B | South Street | |||
| R5.05 | 7A | SR 91 (Artesia Freeway) |
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| Norwalk | R5.81 | 7B | Alondra Boulevard | ||
| R6.81 | 9A | Rosecrans Avenue | |||
| R7.65 | 9B |  I-105 west (Century Freeway) |
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| 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 Avenue – Downey | ||
| R9.61 | 11 | I-5 (Santa Ana Freeway) – Los Angeles, Santa Ana |
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| R10.25 | 12 | Telegraph Road – Santa Fe Springs | |||
| R11.54 | 13 | Slauson Avenue | |||
| R12.05 | 14 | Washington Boulevard – Pico Rivera | Signed as exits 14A (west) and 14B (east) southbound | ||
| Whittier | R13.57 | 15 |  SR 72 (Whittier Boulevard) , Whittier |
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| Pico Rivera | R14.41 | 16 | Beverly Boulevard, Whittier | 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 |
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| R19.39 | 21 | Valley Boulevard – Industry | Former SR 212 | ||
| Baldwin Park | 20.19 | 22 | I-10 (San Bernardino Freeway) – Los Angeles, San Bernardino |
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| 21.07 | 23 | Ramona Boulevard – Baldwin 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 Drive – Duarte | At-grade intersection; former US 66 |
[edit] References
- ^ "Route Log and Finder List - Interstate System: Table 2". FHWA. http://www.fhwa.dot.gov/reports/routefinder/table2.cfm. Retrieved 2007-10-07.
- ^ Los Angeles Highways
- ^ CA Codes (shc:250-257)
- ^ 2007 Named Freeways, Highways, Structures and Other Appurtenances in California. Caltrans. pp. 62. http://www.dot.ca.gov/hq/tsip/hseb/products/Named_Freeways.pdf. Retrieved 2007-03-28.
- ^ Ibid. 97, 185
- ^ http://www.cahighways.org/505-805.html#605 cahighways.org
- ^ 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, Interstate 605 Freeway Interchanges, Retrieved on 2009-02-07.
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