Pomona Freeway

Pomona Freeway
Name	Pomona Freeway
Designation	State Route 60, Interstate 10 (segment)
Location	Los Angeles County, California; San Bernardino County, California
Length mi	approx. 20
Established	1960s–1970s
Direction a	West
Direction b	East
Terminus a	Interstate 10 at Los Angeles–Alhambra
Terminus b	Interstate 10/State Route 57 near Pomona

Pomona Freeway The Pomona Freeway is a major east–west limited-access highway traversing the eastern Los Angeles Basin and western Pomona Valley, linking Los Angeles, Alhambra, Monterey Park, El Monte, City of Industry, West Covina, Covina, La Verne, and Pomona. It carries portions of Interstate 10 and State Route 60 and connects major corridors such as Interstate 710, Interstate 605, and State Route 57. The freeway serves freight, commuter, and regional traffic and intersects rail lines like Metrolink and transit hubs such as El Monte Station.

Route description

Beginning near the junction with Interstate 10 and the San Bernardino Freeway in the eastern Los Angeles neighborhoods, the corridor proceeds eastward as a high-capacity freeway through Alhambra and the San Gabriel Valley. As it advances it passes adjacent to landmarks including Alhambra High School, the commercial districts of Monterey Park, and the historic districts of El Monte. The route crosses the Los Angeles River and interchanges with the north–south routes Interstate 710 and Interstate 605 near industrial complexes of the City of Commerce and Industry. East of West Covina, the freeway ascends toward the foothills near La Verne and descends into the Pomona area, connecting to State Route 57 and carrying traffic toward San Bernardino and Riverside.

History

Planning for the east–west corridor dates to mid-20th-century highway initiatives involving agencies like the California Department of Transportation and metropolitan planning efforts by the Southern California Association of Governments. Initial segments opened amid the 1950s and 1960s freeway expansion that included projects such as the San Bernardino Freeway and the Golden State Freeway. Construction encountered right-of-way negotiations with municipalities including Alhambra and Pomona and coordination with railroads like the Santa Fe Railway and Southern Pacific Railroad. In the 1970s and 1980s, upgrades reflected rising traffic tied to growth in suburbs such as West Covina and Covina and to industrial expansion in the City of Industry. The corridor has been modified through projects associated with Measure R and regional transportation plans from the Los Angeles County Metropolitan Transportation Authority.

Major interchanges

Key interchanges include the junction with Interstate 10 at the western terminus; the connection with Interstate 710 near Commerce; the interchange with Interstate 605 serving Norwalk and Pico Rivera; the connector to State Route 57 toward Orange County and the Pomona approaches. Additional major nodes intersect local arterials serving Monterey Park, El Monte, West Covina, and the industrial areas of the City of Industry and Rowland Heights. Freight movements link to intermodal yards operated by Union Pacific Railroad and BNSF Railway, while passenger transfers interface with Metrolink lines at nearby stations.

Traffic and usage

The freeway functions as a primary commuter route for workers traveling between suburbs and employment centers in Los Angeles, Downtown Los Angeles, and the Inland Empire. It is also a principal freight corridor for trucks serving distribution centers in the City of Industry and logistics nodes near Ontario. Peak-period congestion correlates with rush hours influenced by employment patterns at firms such as logistics providers, retail distribution centers, and regional healthcare facilities including Kaiser Permanente Los Angeles Medical Center. Traffic volumes are monitored by Caltrans District 7 and regional modeling from agencies like the Southern California Association of Governments. Incidents, closures, and maintenance events often produce diversion effects on parallel routes including Interstate 210 and local arterials in San Gabriel Valley communities.

Maintenance and jurisdiction

Ownership and day-to-day maintenance responsibilities fall primarily to the California Department of Transportation with coordination from county public works departments in Los Angeles County and San Bernardino County. Law enforcement responsibilities are shared among the California Highway Patrol, county sheriffs such as the Los Angeles County Sheriff's Department, and local police agencies where ramps and adjacent frontage roads abut municipal streets. Capital improvements and operational projects frequently involve funding mechanisms administered by the Los Angeles County Metropolitan Transportation Authority and state budget allocations overseen by the California State Transportation Agency.

Future plans and improvements

Planned improvements concentrate on congestion relief, safety upgrades, and resiliency. Proposals include managed lanes, interchange reconfigurations at major nodes with Interstate 605 and State Route 57, seismic retrofit projects to meet standards influenced by studies from the United States Geological Survey, and multimodal integration with Los Angeles Metro and Metrolink services. Funding scenarios reference ballot measures such as Measure M and state transportation programs administered by the California Transportation Commission. Local governments including City of Pomona and City of La Verne are engaged in planning to mitigate environmental impacts and improve access to transit hubs such as El Monte Station and regional rail connections.

Category:State highways in California Category:Transportation in Los Angeles County, California Category:Transportation in San Bernardino County, California