Pasadena via Oak Knoll
Overview
Owner	Southern Pacific Railroad
Line number	1
Locale	Southern California
Termini	Pacific Electric Building Downtown Pasadena
Stations	19
Service
Type	Interurban
System	Pacific Electric
Operator(s)	Pacific Electric
Rolling stock	PE 1100 Class (last used)
Daily ridership	7,693 (last counting)
History
Opened	1906
Closed	December 28, 1950 (1950-12-28)
Technical
Line length	13.8 mi (22.2 km)
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	Overhead line, 600 V DC
Route map Legend Pasadena Pasadena Short Line Santa Fe RR Colorado and Lake Lamanda Park Monrovia–Glendora & Sierra Madre El Molino San Pasqual Wash Pasqualito Fletcher Avenue Pasadena Short Line Oneonta Park La Cresta Sierra Vista Newton Titus Happy Valley Soto Street Viaduct El Sereno Lincoln Park Southern Pacific RR Charlotte Street Marengo Street Upland–San Bernardino Valley Junction State Street South Pasadena Echandia Macy Carhouse Brooklyn Avenue  B  Union Pacific RR Los Angeles River Santa Fe RR  P  Edendale Southern Division 6th/Main Terminal  F

The Pasadena via Oak Knoll Line was an interurban route of the Pacific Electric Railway. It operated from 1906 until 1950, between Downtown Los Angeles and Downtown Pasadena, California. Cars ran as far as Altadena during rush hours.

The route was originally built in 1906^[1] to reach the Wentworth Hotel (later Huntington Hotel) in Oak Knoll from El Molino and was thusly known as the Wentworth Line, a designation it retained for some time.^[2] It tied into the Monrovia–Glendora Line. The routing through Pasadena was changed in 1913 to Lake Avenue, Colorado Street, Raymond Avenue, and through the car house on Fair Oaks Avenue.^[3] A further rerouting in downtown Los Angeles occurred on December 3, 1916. The outbound terminus was changed for all trips to Altadena between October 1928 and May 1929. The routing was reverted after that, but rear cars of a few rush hour trains continued until January 18, 1941.^[3]

Congestion at the Pacific Electric Building during World War II forced Oak Knoll Line trains to utilize a loop route around Downtown instead of running directly to the terminal building starting in July 1943. Trains would continue to run to the Main Street Terminal every New Years Day to serve passengers traveling to the Tournament of Roses Parade. The loop line was discontinued on October 5, 1947.^[3]

Service was largely discontinued after October 8, 1950 with a single round trip operating between Pasadena and El Molino to maintain the franchise. This ended after December 28.^[3][4] It was the second to last Pacific Electric line to be decommissioned in Pasadena, and was the last line to run along Colorado Boulevard.^[2]

By 1981, the tracks along the entirety of the route had been removed.

The line followed the Monrovia–Glendora Line to the end of the quadruple-track system at El Molino Junction. From that point (at Huntington Drive between Oak Knoll Avenue and Chelsea Road), two tracks turned north on private right of way, crossing Monterey Road and Old Mill Road before turning west toward the Huntington Hotel. At this point, the line proceeded north in the pavement of city streets, running on Oak Knoll Avenue (with a short section of private right of way between Canon Drive and Arden Road that passed to the north of Oak Knoll Circle's meandering curves) and South Lake Avenue as far as Colorado Street. It then turned west and ran on Colorado Street through the Pasadena business district to Fair Oaks Avenue. Here, the line turned north and ran on Fair Oaks Avenue several blocks to the terminus of the route at the North Fair Oaks Carhouse.

 This article incorporates text from a free content work. Licensed under the public domain as a work of the State of California. (license statement/permission). Text taken from 1981 Inventory of Pacific Electric Routes​, California Department of Transportation. Los Angeles County Metropolitan Transportation Authority.

• Last run to Pasadena (photograph)