"Pasadena Freeway" redirects here. For the freeway in Texas, see Texas State Highway 225.
Arroyo Seco Parkway
Pasadena Freeway Part of Historic US Route 66
Arroyo Seco Parkway highlighted in red
Route information
Maintained by Caltrans
Length
8.162 mi[1] (13.135 km)
History
Opened in 1940; renamed in 1954; name reverted in 2010
Tourist routes
Arroyo Seco Parkway Scenic Byway
Restrictions
No trucks over 3 tons (including buses, unless authorized by the California Public Utilities Commission)[2]
Major junctions
South end
US 101 / SR 110 in Los Angeles
North end
Glenarm Street in Pasadena
Location
Country
United States
State
California
Counties
Los Angeles
Highway system
State highways in California
Interstate
US
State
Scenic
History
Pre‑1964
Unconstructed
Deleted
Freeways
Southern California freeways
Arroyo Seco Parkway Historic District
U.S. National Register of Historic Places
U.S. Historic district
NRHP reference No.
10001198[3]
Added to NRHP
February 17, 2011
The Arroyo Seco Parkway, also known as the Pasadena Freeway, is one of the oldest freeways built in the United States. The parkway connects Los Angeles with Pasadena alongside the Arroyo Seco seasonal river. It is notable not only for being an early freeway, mostly opened in 1940, but for representing the transitional phase between early parkways and later freeways. It conformed to modern standards when it was built, but is now regarded as a narrow, outdated roadway.[4] A 1953 extension brought the south end to the Four Level Interchange in downtown Los Angeles and a connection with the rest of the freeway system.
The road remains largely as it was on opening day, though the plants in its median have given way to a steel guard rail, and most recently to concrete barriers, and it now carries the designation State Route 110, not historic U.S. Route 66. Between 1954 and 2010, it was officially designated the Pasadena Freeway. In 2010, as part of plans to revitalize its scenic value and improve safety, the California Department of Transportation (Caltrans) restored the original name to the roadway.[5] All the bridges built during parkway construction remain, as do four older bridges that crossed the Arroyo Seco before the 1930s. The Arroyo Seco Parkway is designated a State Scenic Highway, National Historic Civil Engineering Landmark, and National Scenic Byway. It was listed in the National Register of Historic Places in 2011.
^California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original on September 5, 2015. Retrieved June 30, 2015.
^Legal Truck Size & Weight Work Group (March 2, 2011). "Special Route Restriction History: Route 110". Sacramento: California Department of Transportation. Retrieved May 28, 2015.
^National Park Service (February 4, 2011). "National Register of Historic Places Weekly Action List". National Register of Historic Places. National Park Service. Retrieved July 27, 2012.
^*Gruen, J. Philip & Lee, Portia (August 1999). Arroyo Seco Parkway (HAER No. CA-265)(PDF). Historic American Engineering Record. pp. 4–5. Retrieved July 29, 2011.
^Pool, Bob (June 25, 2010). "Pasadena Freeway Getting a New Look and a New Name". Los Angeles Times. Retrieved July 29, 2011.
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Global Information
Arroyo Seco Parkway Scenic Byway
US 101 / SR 110 in Los Angeles