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Foothill Boulevard is a major road in the
city A city is a human settlement of notable size.Goodall, B. (1987) ''The Penguin Dictionary of Human Geography''. London: Penguin.Kuper, A. and Kuper, J., eds (1996) ''The Social Science Encyclopedia''. 2nd edition. London: Routledge. It can be def ...
and
county of Los Angeles Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is th ...
, as well as an
arterial road An arterial road or arterial thoroughfare is a high-capacity urban road that sits below freeways/motorways on the road hierarchy in terms of traffic flow and speed. The primary function of an arterial road is to deliver traffic from collector r ...
in the city and county of
San Bernardino San Bernardino (; Spanish for "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a population of 222,101 in the 2020 cen ...
, stretching well over in length, with some notable breaks along the route. Like its name implies, Foothill Boulevard runs across the foothills of the San Gabriel and
San Bernardino Mountains The San Bernardino Mountains are a high and rugged mountain range in Southern California in the United States. Situated north and northeast of San Bernardino and spanning two California counties, the range tops out at at San Gorgonio Mountain ...
. For much of its length, Foothill Boulevard is the
historic Route 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...
, so many diners and other establishments along the road have been refurbished in a 1950s style, or otherwise trade on the Route 66 association.


Route description

Foothill Boulevard starts off in
Newhall Pass Newhall Pass is a low mountain pass in Los Angeles County, California. Historically called Fremont Pass and San Fernando Pass, with Beale's Cut, it separates the Santa Susana Mountains from the San Gabriel Mountains. Although the pass was visite ...
in the
Sylmar Sylmar is a suburban neighborhood in the San Fernando Valley and is the northernmost neighborhood within the City of Los Angeles. Historically known for its profusion of sylvan olive orchards, Sylmar can trace its past to the 18th century and th ...
district of Los Angeles at
Sierra Highway Sierra Highway or El Camino Sierra is a road in Southern California, United States. El Camino Sierra refers to the full length of a trail formed in the 19th century, rebuilt as highways in the early 20th century, that ran from Los Angeles to Lake ...
near the southern terminus of the
Antelope Valley Freeway The term antelope is used to refer to many species of even-toed ruminant that are indigenous to various regions in Africa and Eurasia. Antelope comprise a wastebasket taxon defined as any of numerous Old World grazing and browsing hoofed mamm ...
( SR 14). Foothill Boulevard is a two-lane road through Newhall Pass, paralleling the
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
truck lanes until its intersection with Balboa Boulevard, where it becomes a four-lane road for the remainder of its length. At the
I-5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
/ I-210 interchange, Foothill Boulevard heads southeast along the
Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to ...
, bypassing the city of San Fernando, entering
Lake View Terrace Lake View Terrace is a suburban neighborhood in the San Fernando Valley region of the City of Los Angeles, California.
south of the I-210/ California State Route 118, SR 118 interchange. SR 118 formerly ran along Foothill Boulevard from the 210/118 interchange until Pasadena. In 1974, the current alignment of Interstate 210 was completed, and the only remaining portion of the Foothill Boulevard Freeway was the unsigned freeway over the Arroyo Seco in Pasadena. Foothill Boulevard leaves the
San Fernando Valley The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, California. Located to the north of the Los Angeles Basin, it contains a large portion of the City of Los Angeles, as well as unincorporated ar ...
, passing through the Sunland and Tujunga neighborhoods in the northwestern
Crescenta Valley The Crescenta Valley is a small inland valley in Los Angeles County, California, lying between the San Gabriel Mountains on the northeast and the Verdugo Mountains and San Rafael Hills on the southwest. It opens into the San Fernando Valley at t ...
. It then enters the Crescenta Highlands neighborhood of
Glendale Glendale is the anglicised version of the Gaelic Gleann Dail, which means ''valley of fertile, low-lying arable land''. It may refer to: Places Australia *Glendale, New South Wales ** Stockland Glendale, a shopping centre * Glendale, Queensland, ...
and serves as a main street in the north
Glendale Glendale is the anglicised version of the Gaelic Gleann Dail, which means ''valley of fertile, low-lying arable land''. It may refer to: Places Australia *Glendale, New South Wales ** Stockland Glendale, a shopping centre * Glendale, Queensland, ...
area. Then it enters the unincorporated area of
La Crescenta-Montrose La Crescenta-Montrose () is an unincorporated area in Los Angeles County, California, United States. The community is bordered by Glendale to the south and west, La Cañada Flintridge to the east, and Angeles National Forest to the north. Ac ...
(known just as "La Crescenta" to locals), and it serves as the main street through the valley. Upon crossing the Verdugo Wash, it enters the city of
La Cañada Flintridge LA most frequently refers to Los Angeles, the second largest city in the United States. La, LA, or L.A. may also refer to: Arts and entertainment Music * La (musical note), or A, the sixth note * "L.A.", a song by Elliott Smith on ''Figur ...
and the northern terminus of the Glendale Freeway. Further east is the southern terminus of the Angeles Crest Highway ( SR 2). Note that although the Glendale Freeway and Angeles Crest Highway both end at Foothill Boulevard, Foothill itself does not intersect State Route 2, as SR 2's alignment heads east on Interstate 210. This portion of Foothill Boulevard is operated by
Glendale Transit Glendale Beeline is the municipal bus service operated by the city of Glendale, California, United States. It provides service in Glendale, as well as parts of the nearby La Crescenta-Montrose and La Cañada Flintridge. The service complements th ...
line 3 and
Metro Local Los Angeles Metro Bus is the transit bus service in Los Angeles County, California operated by the Los Angeles County Metropolitan Transportation Authority (Metro). In , the system had a ridership of , or about per weekday as of . , there a ...
lines 90 and 690. The western segment of Foothill Boulevard ends at Oak Grove Drive in Pasadena, where it heads southeast across the unsigned freeway alignment, with an interchange at Yucca Lane. To reach the second portion of Foothill Boulevard, one must head east on Oak Grove, where it becomes Woodbury Road, head south on
Fair Oaks Avenue Fair Oaks Avenue in Pasadena, California, is a major north–south road connecting the communities of Altadena, Pasadena, and South Pasadena, running in length. It starts at its southernmost end in South Pasadena at Huntington Drive. It travels ...
, and head east on Walnut Street, passing through
Old Town Pasadena Old Pasadena, often referred to as Old Town Pasadena or just Old Town, is the original commercial center of Pasadena, a city in California, United States, and had a latter-day revitalization after a period of decay. Old Pasadena began as the ce ...
, where at Greenwood Avenue, Foothill Boulevard branches off. Until the 1960s, there was another segment of Foothill Boulevard that extended north into Altadena along the current route of Altadena Drive. This spur began at the current intersection of Foothill Boulevard and Altadena Drive in the eastern part of Pasadena—at that time, Foothill was named ''East Foothill Boulevard''; Altadena Drive north of Foothill was signed ''North Foothill Boulevard'', while Altadena Drive south of Foothill was signed ''Santa Anita Avenue''. North Foothill Boulevard ran north along the eastern part of Pasadena into the eastern extremity of Altadena, paralleling Eaton Canyon for about . At Mendocino Lane in Altadena, the route became ''East Foothill Boulevard'' again and ran east–west through the central part of Altadena. At the intersection with Fair Oaks Avenue in west Altadena, the road became ''West Foothill Boulevard'' and came to a dead end about west of Lincoln Avenue, a good mile away from the end of the western segment of Foothill in La Cañada Flintridge. It is not clear if the two segments were ever supposed to be connected, as the Arroyo Seco and Jet Propulsion Laboratory intervene; however, the changes in direction and duplicate street names were confusing—not only did North Foothill meet East Foothill, there were two East Foothill Boulevards (one in Pasadena and one in Altadena) and two Santa Anita Avenues (again, one in Pasadena and one in Altadena.) The city of Pasadena and the County of Los Angeles both agreed to change the name of the spur north of Foothill to Altadena Drive; Santa Anita Avenue between Foothill and the southern city limit of Pasadena was also renamed Altadena Drive, though that name change did not occur until the early 1970s. Foothill Boulevard remains parallel to Interstate 210 until entering the Arcadia city limits, where it heads due east and the freeway heads southeast. This section of Foothill Boulevard, which ends at Mountain Avenue in
Monrovia Monrovia () is the capital city of the West African country of Liberia. Founded in 1822, it is located on Cape Mesurado on the Atlantic coast and as of the 2008 census had 1,010,970 residents, home to 29% of Liberia’s total population. As t ...
, was also a part of US 66 until the late 1930s. Before Huntington Drive was built through Duarte, Foothill Boulevard ran along the current routing of Royal Oaks Drive between Shamrock Avenue in Monrovia just past Highland Avenue in Duarte, meeting the current end of Foothill Boulevard at the San Gabriel River bridge. Most of the old route in eastern Duarte was removed during the housing boom in the 1940s. The third section of Foothill Boulevard is accessed by going south on Mountain and going east on Huntington Drive through the Los Angeles County cities of Monrovia and
Duarte Duarte may refer to: * Duarte (surname), person's surname (or composed surname) and given name * Duarte, California, United States * Duarte Province, Dominican Republic * Pico Duarte, mountain in the Dominican Republic See also

* * {{disambigu ...
. Upon crossing the San Gabriel River into Irwindale, Huntington turns into Foothill Boulevard. Foothill passes through the city of
Azusa Azusa may refer to: Relating to California From a Native American language, likely Tongva language, Tongva ''Asuksagna:'' *Azusa, California, a city in the United States *Azusa Pacific University, a Christian-based institution in Azusa, California ...
, where it jogs north at Citrus Avenue. It continues through Glendora one block north of the old U.S. Route 66 to Amelia Avenue. In
Azusa Azusa may refer to: Relating to California From a Native American language, likely Tongva language, Tongva ''Asuksagna:'' *Azusa, California, a city in the United States *Azusa Pacific University, a Christian-based institution in Azusa, California ...
, east of Cerritos Avenue, Alosta Avenue (the old U.S. Route 66) forks southeast (the city of Glendora renamed Alosta Avenue "Route 66"), and at Amelia Avenue, it turns back into Foothill Boulevard. At the interchange with SR 210 near the San Dimas/ La Verne city limits, Foothill Boulevard is defined as
State Route 66 The following highways are numbered 66: Australia * Barkly Highway (Northern Territory) * Riddoch Highway Canada * Alberta Highway 66 * Highway 66 (Ontario) Finland * Kantatie 66 ( Orivesi — Lapua) France * A66 autoroute Germany * Bu ...
, although it is unsigned in Los Angeles County. Foothill Blvd (SR 66) passes through the north end of Pomona and Claremont before entering
San Bernardino County San Bernardino County (), officially the County of San Bernardino, is a county located in the southern portion of the U.S. state of California, and is located within the Inland Empire area. As of the 2020 U.S. Census, the population was 2,181, ...
in the city of Upland. Foothill passes through residential areas before emerging in
Rancho Cucamonga Rancho Cucamonga was a Mexican land grant in present-day San Bernardino County, California, given in 1839 to the dedicated soldier, smuggler and politician Tiburcio Tapia by Mexican governor Juan Bautista Alvarado. The grant formed parts of p ...
, where it intersects
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexican border in San Diego County and stretches north to Alberta, Cana ...
. Foothill Boulevard continues east through the cities of
Fontana Fontana may refer to: Places Italy *Fontana Liri, comune in the Province of Frosinone *Fontanafredda, comune in the Province of Pordenone *Fontanarosa, comune in the Province of Avellino *Francavilla Fontana, comune in the Province of Brindisi * ...
(and such landmarks as Bono's Restaurant and Deli),
Rialto The Rialto is a central area of Venice, Italy, in the ''sestiere'' of San Polo. It is, and has been for many centuries, the financial and commercial heart of the city. Rialto is known for its prominent markets as well as for the monumental Ria ...
, and
San Bernardino San Bernardino (; Spanish for "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a population of 222,101 in the 2020 cen ...
. Foothill Boulevard ends at the San Bernardino city limits, where it retains its SR 66 signage, but changes into 5th Street and the route passes through downtown San Bernardino. At the interchange with Interstate 215, the SR 66 designation ends (at downtown San Bernardino), although old
US 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...
headed north on Mount Vernon Avenue (along old
US 395 U.S. Route 395 (US 395) is a U.S. Route in the western United States. The southern terminus of the route is in the Mojave Desert at Interstate 15 near Hesperia. The northern terminus is at the Canada–US border near Laurier, where the road ...
/
US 91 U.S. Route 91 or U.S. Highway 91 (US-91) is a north–south United States highway running from Brigham City, Utah, to Idaho Falls, Idaho, in the U.S. states of Idaho and Utah. Despite the "1" as the last digit in the number, US-91 is no l ...
) before exiting the
Inland Empire The Inland Empire (IE) is a metropolitan area and region inland of and adjacent to coastal Southern California, centering around the cities of San Bernardino and Riverside, and bordering Los Angeles County to the west. It includes the citie ...
over the
Cajon Pass Cajon Pass (; Spanish: ''Puerto del Cajón'' or ''Paso del Cajón'') is a mountain pass between the San Bernardino Mountains to the east and the San Gabriel Mountains to the west in Southern California. Created by the movements of the San Andre ...
. Fifth Street has an interchange with SR 210 in
Highland Highlands or uplands are areas of high elevation such as a mountainous region, elevated mountainous plateau or high hills. Generally speaking, upland (or uplands) refers to ranges of hills, typically from up to while highland (or highlands) is ...
before turning into Greenspot Road, where it ends in the
San Bernardino Mountains The San Bernardino Mountains are a high and rugged mountain range in Southern California in the United States. Situated north and northeast of San Bernardino and spanning two California counties, the range tops out at at San Gorgonio Mountain ...
. There are US 66 signs within the cities of Rancho Cucamonga, Rialto, and San Bernardino. Many other cities along the boulevard have posted "Historic Route 66" signage. California's legislature has relinquished state control of the segment from the Pomona–Claremont line east to the Fontana–Rialto line, and turned it over to local control. SR 66 is part of the
California Freeway and Expressway System The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both State highways and federal highways in California. It is defined by Article 2 (comme ...
, although it is neither a freeway nor an expressway. SR 66 is part of the National Highway System,
a network of highways that are considered essential to the country's economy, defense, and mobility by the
Federal Highway Administration The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program ...
.


See also

* Foothill Boulevard Milestone (Mile 11) * Interstate 210 * U.S. Route 66


References


External links

{{Streets in Los Angeles Streets in Los Angeles County, California Streets in San Bernardino County, California Streets in Los Angeles Streets in Pasadena, California Streets in the San Fernando Valley Streets in the San Gabriel Valley Boulevards in the United States Crescenta Valley Pomona Valley La Cañada Flintridge, California Lake View Terrace, Los Angeles Sun Valley, Los Angeles Sunland-Tujunga, Los Angeles U.S. Route 66 in California