Interstate 210 and State Route 210 (California)

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Interstate 210 markerState Route 210 marker

Interstate 210 and State Route 210
Foothill Freeway
Route information
Defined by Streets and Highways Code § 510
Maintained by Caltrans
Length: 86 mi[1][2] (138 km)
Length includes the unconstructed freeway section.
History: 1933 as a highway, 1964 as a number
Component
highways:		 I-210 from Los Angeles to Glendora
SR 210 from Glendora to Redlands
Major junctions
West end: I-5 in Los Angeles
  SR 118 in Los Angeles
SR 2 in Glendale
SR 134 in Pasadena
I-605 in Irwindale
SR 57 in Glendora
I-15 in Rancho Cucamonga
I-215 in San Bernardino
East end: I-10 in Redlands
Highway system
← SR 209 SR 211 →

Route 210, consisting of the contiguous segments of Interstate 210 (I-210) and State Route 210 (SR 210) forming the Foothill Freeway, is a major east—west state highway in the Greater Los Angeles area of the U.S. state of California. The western portion of the route is an auxiliary Interstate Highway, while the eastern portion is a state highway. The entire route was upgraded to Interstate Highway standards by 2007, and the California Department of Transportation (Caltrans) has requested permission to re-sign the eastern portion as an Interstate Highway.

The name Foothill Freeway is a reference to Foothill Boulevard and the San Gabriel Mountains, both of which run parallel to the freeway for most of its length. The freeway connects Los Angeles with its northern suburbs following the foothills of these mountains. The freeway runs from the Sylmar district of Los Angeles east to Redlands.

Currently all of the Foothill Freeway is designated Route 210. Historically, the Foothill Freeway spanned multiple numerical designations. Additionally, the I-210 designation has changed routings; previously including a portion of what is now the Orange Freeway (SR 57). East of Pasadena the Foothill Freeway parallels, and in some parts replaced, the route of former U.S. Route 66.

Route description

Foothill Freeway as seen from the Metro Gold Line, Sierra Madre Villa Station
I-210 in La Crescenta-Montrose, below Mount Lukens. Intersection with Glendale Freeway at lower right-center.
The 210 in La Cañada Flintridge. Jet Propulsion Laboratory on the right.
Elevated portion of freeway in Monrovia.

I-210's western terminus is at its junction with the Golden State Freeway (I-5), near the Sylmar district of Los Angeles. From that point, the freeway's alignment is generally diagonal as it heads southeast through the northeastern San Fernando Valley and the Crescenta Valley. After leaving Los Angeles, it enters northern Glendale and meets with the Glendale Freeway (State Route 2) before turning due south towards the junction with the Ventura Freeway (State Route 134) in Pasadena. At this interchange, the Foothill Freeway shifts its alignment and direction, becoming an east-west freeway. From the north, the primary through lanes of I-210 become the unsigned northern stub of unfinished I-710, while from the east, the through lanes of the Ventura Freeway become I-210 as the Ventura Freeway reaches its official eastern terminus. After intersecting the northern terminus of I-605 (the San Gabriel River Freeway), I-210 then continues east to the Orange Freeway (State Route 57) in Glendora. Heading east from the Orange Freeway interchange, until its eastern terminus at I-10 in Redlands, 210 is currently signed as a state route.

Metro Gold Line

Portions of the Metro Gold Line of the LACMTA runs in the median of the Foothill Freeway from Pasadena to Arcadia.


State Route 210 presently has two distinct segments:

The western freeway segment serves as the easternmost portion of the Foothill Freeway (Interstate 210). Consisting of newer freeway, beginning at the east end of I-210 near San Dimas, SR 210 extends eastward, eventually paralleling Highland Avenue, as it continues through Fontana. It intersects Interstate 15, an artery between Southern California and Nevada, about ten miles before it meets with Interstate 215 in San Bernardino.

The segment east of Interstate 215 is the former alignment of State Route 30. This segment extends eastward to junctions with Interstate 215, State Route 259, State Route 18 and State Route 330 in Highland. State Route 210 then curves southward and ends in a junction with Interstate 10 in Redlands.

The Glendora Curve is the former colloquial name for the interchange between State Route 57 and the Foothill Freeway, Interstate 210.[3] The "curve" portion refers to the interchange from the northbound lanes of State Route 57 to the westbound lanes of I-210, and from the eastbound lanes of I-210 to the southbound lanes of State Route 57. The origin of the name comes from its location in the city of Glendora. Prior to 2002, this interchange was entirely part of I-210, and the eastern terminus of I-210 ended several miles south of the curve at the Kellogg Interchange at the junctions of the Chino Valley Freeway, State Route 71, the San Bernardino Freeway, I-10, and Route 57. After the portion of I-210 south of the Glendora Curve was transferred to Route 57 in 2002, effectively extending Route 210 east past the Glendora Curve, the name Glendora Curve fell out of popular use.[4]

This route is part of the California Freeway and Expressway System[5] and is eligible for the State Scenic Highway System.[6]

History

The 210

1955 map of the planned Interstates in the Greater Los Angeles Area. The original proposal for present-day I-210 includes its original eastern terminus in Pomona.

Construction began on the freeway in 1958. The first section, between Flintridge (now La Cañada Flintridge) and Canada Avenue in Pasadena, was opened in 1966; it was then signed as State Route 118. In 1968, the Atchison, Topeka and Santa Fe Railway depot at Santa Anita, a historic structure built in 1890, was moved to the Los Angeles County Arboretum and Botanic Garden to make way for a section of the freeway passing through Arcadia.[7][8] The "Pasadena" section from State Route 134 to Rosemead Boulevard was completed in 1976, while the section from Arcadia, California to the Kellogg Interchange with Interstate 10 at Pomona had been previously completed in 1971.[9] The section between the Kellogg interchange and Glendora is no longer part of I-210. In 2003, this piece was renumbered as part of State Route 57, known as the Orange Freeway.

In the 1990s, Caltrans began constructing extensions to the freeway from Glendora east to the former Interstate 215/State Route 30 interchange in San Bernardino. In 2003, a 20-mile (32 km) segment east from Glendora to Fontana was completed, with the portion proceeding south from Glendora renumbered SR 57. The remaining section east of Interstate 15 between Fontana and Interstate 215 was opened on July 24, 2007.

Caltrans has petitioned AASHTO, the trade organization that oversees the designation and naming of the Interstate Highway system, to re-sign the entire Foothill Freeway, including the entire segments of State routes 210 and 30, as I-210. Upon completion of the new freeway segment west of I-215, State Route 30 from I-215 to I-10 in Redlands was re-signed as State Route 210. The re-signing in 2003 of the former portion of I-210 now signed as State Route 57 truncated I-210 from its parent route, I-10. Presuming that authority is given at some point in the future to re-sign the entirety of 210 as an interstate, I-210 will once again connect to its parent route, but much farther east in Redlands.

The western freeway segment, planned since the 1970s and completed in 2002, replaced a western surface street segment that began with Base Line Road (sometimes spelled Baseline Road) at its intersection with Foothill Boulevard in La Verne and extended eastward into Upland. In Upland it became 16th Street, then turned northward onto Mountain Avenue, then turned eastward onto 19th Street. It left Upland and continued eastward into Rancho Cucamonga. After Haven Ave in Rancho Cucamonga, 19th Street curves north, and becomes Highland Ave, which still exists in some areas although in pieces due to the freeway overlapping onto Highland Ave, such as the eastbound on and off ramps for Milliken Ave. Highland Ave deviates from the original CA-30 alignment at Etiwanda Ave when it curves south and ends at East Ave, the border of Rancho Cucamonga and Fontana. Highland Ave starts again at Cherry Ave, east of the I-15 and continue east, becoming W. Easton Ave at Alder Ave. Shortly afterwards, it makes a sharp left curve at Riverside Ave, crossing over the freeway and becoming Highland Ave again. From here, it leaves Rialto and goes into San Bernardino. It crosses under SR-210, I-215, and CA-259 before entering the city of Highland. In Highland, the original CA-30 crosses under the 210 one last time and ends as it crosses over CA-330. Some maps still show part of this route as CA-30.

State Route 30 (see below for full history) was the former designation of State Route 210 and State Route 330. Route 30 ran from its interchange with I-210 in Glendora east to State Route 18 at Big Bear Lake. The easternmost portion of Route 30 was transferred to Route 330 in 1972. Thereafter, Route 30 was routed south to I-10 in Redlands. In 1999, the entirety of Route 30 from the Glendora Curve to Redlands was transferred to Route 210.

Route 210 from Route 5 to Route 10 in Redlands is known as the Foothill Freeway, as named by Senate Concurrent Resolution 29, Chapter 128 in 1991.[10]

State Route 30

State Route 30
Location: Route 210
Existed: 1933–2007

SR 30 was adopted as a state route in 1933 as part of Legislative Route 190. It was an unsigned highway, running from LRN 9 (formerly US 66, Foothill Blvd) near San Dimas to LRN 26 (SR 38) near Redlands. It also ran from LRN 26 near Redlands to LRN 43 near Big Bear Lake, which would become part of SR 38.[11] During the renumbering of California routes, LRN 190 was split into two different routes. The western portion, between I-210 in San Dimas and Highland became SR 30. The eastern portion, between SR 38 in Redlands and Highland was combined with LRN 207 (currently SR 330) to form SR 106. In 1972, the northern portion of SR 106, between SR 30 and SR 18 would be renumbered SR 330.[12] The southern portion, between SR 30 and I-10 (SR 106 was moved to I-10 in 1965) was combined with SR 30.[13]

Initial freeway construction started in 1968, and constructed the freeway between SR 259 and Cedar St. in San Bernardino. Construction continued east in 1971, which brought the freeway just west of SR 330. Construction did not resume until 1989 which extended the freeway west to I-215. The last phase of construction started in 1992, which connected the route south to I-10.[14]

In 1968, the State requested that SR 30 be incorporated into the interstate system, but was declined.[13] The next effort started in 1998. The State decided to close the 25-mile gap between I-210 and SR 30. It also decided to number the new freeway as SR 210, in preparation of the route becoming an interstate. Also, when the new freeway was close to the existing route, the entire route would be renumbered SR 210. In addition, the short section of the Orange Freeway, which was numbered I-210, would be renumbered SR 57 to match the number used for the rest of the freeway. Construction started on the eastern end from Foothill Boulevard (Exit 47), and slowly moved east. In 2007, the mainline freeway section was completed, which ended the existence of SR 30.

I-215 interchange and I-210 redesignation

The final phase of the Foothill Freeway project involved the completion of the interchange with I-215 (Exit 74).[15] When the Foothill Freeway mainline was completed in 2007, Exit 74 had only four of its six ramps built, the missing moves being from 210 EB to 215 SB and from 215 NB to 210 WB. The flyover plans for these moves had to be recast to address potential soil liquefaction in the event of rupture of existing or undiscovered faults in the area during an earthquake; this project was separated from the main 210 project to avoid delaying the latter.[16] Completion of Exit 74 was also tied to the widening and improving of I-215 in the area. The flyover from northbound I-215 to westbound CA 210 opened on December 22, 2011,[17] while the eastbound CA 210 to southbound I-215 opened on July 23, 2012, thus completing the interchange.[18] With its completion, Caltrans is expected to petition AASHTO to designate the entire route as part of Interstate 210; once approved, the SR 210 green State Route signs will be replaced with Interstate 210 ones.[citation needed]

Exit list

County Location mi[19] km Exit[19] Destinations Notes
Los Angeles Los Angeles 0.00 0.00 1A-B I-5 (Golden State Freeway) – Sacramento, Los Angeles Westbound exit and eastbound entrance; signed as exits 1A (north) & 1B (south); west end of I-210; I-5 south exit 161A, north exit 161B
0.84 1.35 1C Yarnell Street Signed as exit 1 eastbound
1.92 3.09 2 Roxford Street – Sylmar
3.28 5.28 3 Polk Street
4.11 6.61 4 Hubbard Street
San Fernando 4.94 7.95 5 Maclay Street – San Fernando
5.91 9.51 6A SR 118 west (Ronald Reagan Freeway) – Ventura Signed as exit 6B westbound; SR 118 exits 46A-B
6.00 9.66 6B Paxton Street Signed as exit 6A westbound
Los Angeles 7.82 12.59 8 Osborne Street – Lake View Terrace
9.43 15.18 9 Wheatland Avenue – Lake View Terrace
11.08 17.83 11 Sunland Boulevard – Sunland, Tujunga
14.17 22.80 14 La Tuna Canyon Road
Glendale 15.62 25.14 16 Lowell Avenue – Tujunga
16.77 26.99 17A Pennsylvania Avenue – La Crescenta Signed as exit 17 eastbound
​ 17.38 27.97 17B La Crescenta Avenue – La Crescenta Westbound exit and eastbound entrance
​ 18.22 29.32 18 Ocean View Boulevard – Montrose
Glendale 18.88 30.38 19 SR 2 west (Glendale Freeway) – Los Angeles West end of SR 2 overlap; SR 2 east exits 21A-B
La Cañada Flintridge 19.88 31.99 20 SR 2 east (Angeles Crest Highway) – La Cañada Flintridge East end of SR 2 overlap
20.60 33.15 21 Gould Avenue Eastbound exit and westbound entrance
20.60 33.15 21 Foothill Boulevard Westbound exit and eastbound entrance
Pasadena 21.53 34.65 22A Berkshire Avenue, Oak Grove Drive
22.49 36.19 22B Arroyo Boulevard, Windsor Avenue
23.19 37.32 23 Lincoln Avenue, Washington Boulevard
24.06 38.72 24 Seco Street, Mountain Street
24.96 40.17 25A Colorado Boulevard – Pasadena Eastbound exit and westbound entrance
24.96 40.17 25A SR 710 south (Long Beach Freeway) to SR 110 / Del Mar Boulevard, California Boulevard Westbound exit is via exit 26A
24.96 40.17 25B SR 134 west (Ventura Freeway) – Ventura Signed as exit 26A westbound; SR 134 exit 13B
24.96 40.17 25 Fair Oaks Avenue, Marengo Avenue Westbound exit and eastbound entrance; signed as exits 25A (south) and 25B (north)
26.33 42.37 26 Lake Avenue Signed as exit 26B westbound
26.94 43.36 27A Hill Avenue Signed as exit 27 eastbound
27.41 44.11 27B Allen Avenue Westbound exit and eastbound entrance
28.25 45.46 28 Altadena Drive, Sierra Madre Boulevard Westbound exit is via exit 29A
28.68 46.16 29A San Gabriel Boulevard – San Marino
29.29 47.14 29B Sierra Madre Street
29.80 47.96 30 SR 19 south (Rosemead Boulevard) / Michillinda Avenue Signed as exits 30A (south) and 30B (north) eastbound
Arcadia 30.82 49.60 31 Baldwin Avenue – Sierra Madre
31.88 51.31 32 Santa Anita Avenue – Arcadia
32.89 52.93 33 Huntington Drive – Monrovia, Arcadia
Monrovia 33.91 54.57 34 Myrtle Avenue – Monrovia
34.74 55.91 35A Mountain Avenue
Duarte 35.24 56.71 35B Buena Vista Street
Irwindale 36.41 58.60 36A I-605 south (San Gabriel River Freeway) Signed as exit 36B westbound; I-605 exit 27
36.43 58.63 36B Mount Olive Drive (via I-605 north) Signed as exit 36A westbound
37.86 60.93 38 Irwindale Avenue – Irwindale
Azusa 38.96 62.70 39 Vernon Avenue
39.60 63.73 40 SR 39 (Azusa Avenue)
40.60 65.34 41 Citrus Avenue – Covina
Glendora 41.59 66.93 42 Grand Avenue – Glendora
43.16 69.46 43 Sunflower Avenue
44.20 71.13 44 Lone Hill Avenue
44.90 72.26 45 SR 57 south (Orange Freeway) – Santa Ana East end of I-210; west end of SR 210; SR 57 south was former I-210 east; SR 57 exit 25B
San Dimas 45.48 73.19 46 San Dimas Avenue – San Dimas
La Verne 46.66 75.09 47 SR 66 east (Foothill Boulevard) – La Verne Former US 66
48.06 77.35 48 Fruit Street
Claremont 49.57 79.78 50 Towne Avenue
51.91 83.54 52 Base Line Road Former SR 30
San Bernardino Upland 53.65 86.34 54 Mountain Avenue – Mount Baldy
55.64 89.54 56 Campus Avenue
Rancho Cucamonga 56.75 91.33 57 Carnelian Street
58.05 93.42 58 Archibald Avenue
59.06 95.05 59 Haven Avenue
60.06 96.66 60 Milliken Avenue
61.31 98.67 61 Day Creek Boulevard
63.80 102.68 64A I-15 (Ontario Freeway) – Barstow, San Diego I-15 exits 115A-B
Fontana 64.08 103.13 64B Cherry Avenue
 Error: mi is not a number — Beech Avenue HOV-only interchange
66.08 106.35 66 Citrus Avenue
67.08 107.95 67 Sierra Avenue
Rialto 68.18 109.73 68 Alder Avenue
69.54 111.91 70 Ayala Drive
71.15 114.50 71 Riverside Avenue
71.82 115.58 72 Pepper Avenue Proposed interchange
San Bernardino 72.84 117.22 73 State Street, University Parkway
74.02 119.12 74 I-215 – Barstow, Riverside Westbound exit to I-215 south is via exit 75B; former I-15E; I-215 exit 46C
75.09 120.85 75A H Street Signed as exit 75 eastbound
75.25 121.10 75B To I-215 south (SR 259 south) – Downtown San Bernardino, Los Angeles, Riverside Eastbound exit is via exit 75; I-215 north exit 45A
76.37 122.91 76 SR 18 north (Waterman Avenue)
77.87 125.32 78 Del Rosa Avenue
78.88 126.95 79 Highland Avenue
80.81 130.05 81 SR 330 north – Running Springs, Big Bear Lake
Highland 81.47 131.11 82 Base Line Road
82.38 132.58 83 5th Street, Greenspot Road
Redlands 84.49 135.97 84 San Bernardino Avenue
85.31 137.29 85 I-10 – Los Angeles, Indio Eastbound exit and westbound entrance; signed as exits 85A (east) & 85B (west); east end of SR 210; I-10 east exit 77B, west exit 77C
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ California Department of Transportation, Log of Bridges on State Highways, July 2007
  3. ↑ City Minutes referencing colloquial name.[dead link]
  4. ↑ Glendora Interchange[dead link]
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ http://www.dot.ca.gov/hq/structur/strmaint/brlog/logpdf/logd07.pdf dot.ca.gov
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Route 185-192. CAHighway.org. Accessed: 03-05-2010.
  12. ↑ Route 105-112. CAHighway.org. Accessed: 03-05-2010.
  13. ↑ 13.0 13.1 Route 25-32. CAHighway.org. Accessed: 03-05-2010.
  14. ↑ California Department of Transportation, Log of Bridges on State Highways, July 2009
  15. ↑ I-215 North SR 210/215 Connector Project Fact Sheet. Caltrans. Accessed 03-05-2010.
  16. ↑ SANBAG Measure I Freeway Projects. Accessed 10-18-2010 Archived October 6, 2010 at the Wayback Machine
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  19. ↑ 19.0 19.1 Lua error in package.lua at line 80: module 'strict' not found.

External links

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Template:California Interstate Highways

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