Figueroa Street Tunnels
The Figueroa Street Tunnels are a set of four four-lane tunnels that carry northbound traffic on State Route 110 (the Arroyo Seco Parkway) through Elysian Park in Los Angeles, California, United States. From south to north, the four tunnels measure 755, 461, 130, and 405 feet (230, 141, 40, and 123 m) in length, 46.5 feet (14 m) in width, and 28.3 ft (8.6 m) in height. The north three tunnels opened in 1931 as a bypass to a section of North Broadway; the southernmost (and longest) opened in 1935, connecting to Figueroa Street downtown. In 1937, a viaduct, known as the Figueroa Street Viaduct, was constructed to the north of the tunnels, dedicating the tunnels to 4 lanes of eastward traffic and the viaduct to 4 lanes of westward traffic once the viaduct was opened in 1943. Ever since the opening of the tunnels, connections have been added to the street, most notably in 1940 to the Arroyo Seco Parkway and in 1953 to the Four Level Interchange.
Looking northeast through the third and fourth tunnels
|Location||Elysian Park, Los Angeles|
|Route||Northbound lanes of SR 110|
|Length||755, 461, 130, and 405 ft (230, 141, 40, and 123 m, respectively)|
|Tunnel clearance||28.3 ft (8.6 m)|
|Width||46.5 feet (14 m)|
Traffic through the tunnels is heavy at almost all times of day. At the north end of the tunnels is an interchange with Interstate 5 (Golden State Freeway), in which the leftmost lane makes a hard left turn onto the offramp. There are also sharp exit and entrance ramps on the right side at Solano Avenue after the first tunnel.
Since the tunnels' incorporation into Arroyo Seco Parkway (now SR 110), Figueroa Street has been discontinuous. It merges into SR 110 at Alpine Street in Chinatown, south of the tunnels, and splits in Highland Park, north of the Figueroa Street Viaduct over the Los Angeles River.
Prior to the construction of the tunnels, traffic between Los Angeles and Pasadena crossed the Los Angeles River on the congested 1911 North Broadway Bridge. The Dayton Avenue Bridge provided another crossing to the north, but the hills of Elysian Park prevented it from being connected to downtown. The north three of the four tunnels opened by November 1, 1931, connecting to North Broadway on the south via Solano Avenue and Riverside Drive on the north. Riverside Drive was an earlier high-speed road along the Los Angeles River to Burbank, and also intersected the Dayton Avenue Bridge, which led to Dayton Avenue (now part of Figueroa Street) towards Pasadena. From opening, the tunnels carried two lanes in each direction, with a 5-foot (1.5 m) sidewalk on the side.
The fourth tunnel opened in 1935, continuing the route south and southwest to Figueroa Street at Alpine Street. (Bridges over Figueroa Street on Temple Street and First Street were built in 1940, further improving that entrance to downtown.) The Figueroa Street Viaduct opened in 1937, providing a wider and direct Los Angeles River crossing than the Dayton Avenue Bridge. After passing over the river and San Fernando Road, it tied into Dayton Avenue (Figueroa Street) south of Avenue 26. The Arroyo Seco Parkway opened in late 1940 as a freeway from the Viaduct to Pasadena. However, the six-lane parkway narrowed to four lanes at the viaduct and through the tunnels, and had a number of at-grade intersections on its way downtown.
The Southerly Extension of the Arroyo Seco Parkway supplemented the Figueroa Street Viaduct and Tunnels with a new southbound roadway to the west, and converted Figueroa Street to freeway standards south to Adobe Street. The new Los Angeles River Bridge left the existing road north of the original viaduct terminus at Figueroa Street, and crossed over the ramp to Figueroa Street, the Los Angeles River, and the northbound exit to Riverside Drive (now a ramp to Interstate 5 north, although Riverside Drive is still accessible from this ramp). Through Elysian Park, it was built higher than the tunnels, with open-cuts through the ridges through which the older tunnels were built, and viaducts over the valleys between the ridges. South of the southernmost tunnel, the older road was widened and upgraded to freeway standards south to Adobe Street. This new road opened December 30, 1943. A further extension was completed on September 22, 1953 to the Four Level Interchange with U.S. Route 101 (Santa Ana Freeway and Hollywood Freeway).
The tunnels (and Figueroa Street north of them) were part of pre-1964 Legislative Route 165, defined in 1933. By 1942, U.S. Route 6, U.S. Route 66, U.S. Route 99 and State Route 11 were signed through them. US 66 continued along the Arroyo Seco Parkway, while US 6 and US 99 turned northwest on San Fernando Road via Figueroa Street and Avenue 26, and SR 11 exited at Figueroa Street to run to Pasadena with U.S. Route 66 Alternate. US 99 moved to the new Golden State Freeway, bypassing the tunnels with Interstate 5, when it opened in 1962. US 6 and US 66 were removed from the Los Angeles area in the 1964 renumbering, leaving only SR 11 through the tunnels (and on the Parkway after 1964). SR 11 became State Route 110 in 1981, when the Harbor Freeway section of it became Interstate 110.
In April, 2008, retrofitting of the tunnel lighting was completed, replacing the tandem fluorescent lighting arrangement in place since 1964, with a more efficient lighting array.
In popular cultureEdit
Featured in the 1971 film Duel, in the opening credit sequence.
In the 2005 film Rumor Has It…, three of the characters hold their breaths while driving through the tunnels.
- Historic American Engineering Record, [dead link] Arroyo Seco Parkway (PDF), page 28
- Historic American Engineering Record, [dead link] Arroyo Seco Parkway (PDF), page 53
- Historic American Engineering Record, [dead link] Arroyo Seco Parkway (PDF), page 27-28
- Historic American Engineering Record, [dead link] Arroyo Seco Parkway (PDF), page 53-54
- Historic American Engineering Record, [dead link] Arroyo Seco Parkway (PDF), page 64
- Historic American Engineering Record, [dead link] Arroyo Seco Parkway (PDF), page 65
- 1942 Gousha Los Angeles and vicinity map Archived April 24, 2006, at the Wayback Machine
- 1943 Los Angeles map Archived 2006-05-21 at the Wayback Machine
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