List of tunnels documented by the Historic American Engineering Record in California

This is a list of tunnels documented by the Historic American Engineering Record in the US state of California. ^[1]

Tunnels

Survey No.	Name (as assigned by HAER)	Status	Built	Documented	Carries	Crosses	Location	County	Coordinates
CA-30 CA-199	Central Pacific Railroad, Clipper Gap Tunnel Central Pacific Transcontinental Railroad, Tunnel 'O'	Abandoned	1873	1984 1997	Union Pacific Railroad		Clipper Gap	Placer	38°58′47″N120°59′56″W / 38.97972°N 120.99889°W / 38.97972; -120.99889 (Central Pacific Railroad, Clipper Gap Tunnel)
CA-86	Big Oak Flat Road Tunnel No. 1	Extant	1937	1991	New Big Oak Flat Road	Mountain spur	Yosemite Village	Mariposa	37°43′31″N119°42′15″W / 37.72528°N 119.70417°W / 37.72528; -119.70417 (Big Oak Flat Road Tunnel No. 1)
CA-87	Big Oak Flat Road Tunnel No. 2	Extant	1937	1991	New Big Oak Flat Road	Mountain spur	Yosemite Village	Mariposa	37°43′24″N119°41′54″W / 37.72333°N 119.69833°W / 37.72333; -119.69833 (Big Oak Flat Road Tunnel No. 2)
CA-88	Big Oak Flat Road Tunnel No. 3	Extant	1938	1991	New Big Oak Flat Road	Mountain spur	Yosemite Village	Mariposa	37°43′03″N119°43′23″W / 37.71750°N 119.72306°W / 37.71750; -119.72306 (Big Oak Flat Road Tunnel No. 3)
CA-105	Wawona Tunnel [lower-alpha 1]	Extant	1932	1991	SR 41 (Wawona Road)	Turtleback Dome	Yosemite Village	Mariposa	37°42′57″N119°41′09″W / 37.71583°N 119.68583°W / 37.71583; -119.68583 (Wawona Tunnel)
CA-130-E	Santa Ana River Hydroelectric System, Flume and Tunnel below Fish Screen		1898	1991			Redlands	San Bernardino
CA-130-G	Santa Ana River Hydroelectric System, Flumes and Tunnels below Sandbox		1898	1991			Redlands	San Bernardino
CA-130-R	Santa Ana River Hydroelectric System, Abandoned Tunnel	Abandoned	1898	1991	Santa Ana Canal		Redlands	San Bernardino
CA-139	Forts Baker–Barry Tunnel	Extant	1918	1993	Bunker Road	Lime Point Ridge	Sausalito	Marin	37°50′27″N122°29′26″W / 37.84083°N 122.49056°W / 37.84083; -122.49056 (Forts Baker–Barry Tunnel)
CA-153-A	Salinas River Project, Cuesta Tunnel	Extant	1942	1994	Aqueduct	Santa Lucia Range	San Luis Obispo	San Luis Obispo	35°21′23″N120°38′22″W / 35.35639°N 120.63944°W / 35.35639; -120.63944 (Salinas River Project, Cuesta Tunnel)
CA-162	Mile Rock Tunnel	Extant	1915	1994	Storm drain	48th Avenue	San Francisco	San Francisco	37°46′24″N122°30′32″W / 37.77333°N 122.50889°W / 37.77333; -122.50889 (Mile Rock Tunnel)
CA-197	Central Pacific Transcontinental Railroad, Tunnel No. 18	Extant	1909	1997	Union Pacific Railroad		Newcastle	Placer	38°52′33″N121°07′42″W / 38.87583°N 121.12833°W / 38.87583; -121.12833 (Central Pacific Transcontinental Railroad, Tunnel No. 18)
CA-198	Central Pacific Transcontinental Railroad, Tunnel No. 23	Extant	1909	1997	Union Pacific Railroad		Applegate	Placer	38°58′46″N120°59′57″W / 38.97944°N 120.99917°W / 38.97944; -120.99917 (Central Pacific Transcontinental Railroad, Tunnel No. 23)
CA-200	Central Pacific Transcontinental Railroad, Tunnel No. 24	Extant	1910	1997	Union Pacific Railroad		Applegate	Placer	38°58′57″N120°59′53″W / 38.98250°N 120.99806°W / 38.98250; -120.99806 (Central Pacific Transcontinental Railroad, Tunnel No. 24)
CA-201	Central Pacific Transcontinental Railroad, Tunnel No. 25	Extant	1910	1997	Union Pacific Railroad		Applegate	Placer	38°59′05″N120°59′47″W / 38.98472°N 120.99639°W / 38.98472; -120.99639 (Central Pacific Transcontinental Railroad, Tunnel No. 25)
CA-202	Central Pacific Transcontinental Railroad, Tunnel No. 26	Extant	1909	1997	Union Pacific Railroad		Applegate	Placer	38°59′13″N120°59′38″W / 38.98694°N 120.99389°W / 38.98694; -120.99389 (Central Pacific Transcontinental Railroad, Tunnel No. 26)
CA-203	Central Pacific Transcontinental Railroad, Tunnel No. 27	Extant	1910	1997	Union Pacific Railroad		Applegate	Placer	38°59′32″N120°59′17″W / 38.99222°N 120.98806°W / 38.99222; -120.98806 (Central Pacific Transcontinental Railroad, Tunnel No. 27)
CA-204	Central Pacific Transcontinental Railroad, Tunnel No. 28	Extant	1910	1997	Union Pacific Railroad	Hotchkiss Hill	Applegate	Placer	39°00′16″N120°58′48″W / 39.00444°N 120.98000°W / 39.00444; -120.98000 (Central Pacific Transcontinental Railroad, Tunnel No. 28)
CA-205	Central Pacific Transcontinental Railroad, Tunnel No. 29	Extant	1909	1997	Union Pacific Railroad		Applegate	Placer	39°01′15″N120°58′22″W / 39.02083°N 120.97278°W / 39.02083; -120.97278 (Central Pacific Transcontinental Railroad, Tunnel No. 29)
CA-206	Central Pacific Transcontinental Railroad, Tunnel No. 34	Extant	1913	1997	Union Pacific Railroad	Cape Horn	Colfax	Placer	39°06′45″N120°55′48″W / 39.11250°N 120.93000°W / 39.11250; -120.93000 (Central Pacific Transcontinental Railroad, Tunnel No. 34)
CA-207	Central Pacific Transcontinental Railroad, Tunnel No. 1	Extant	1868	1997	Union Pacific Railroad		Blue Canyon	Placer	39°14′42″N120°43′23″W / 39.24500°N 120.72306°W / 39.24500; -120.72306 (Central Pacific Transcontinental Railroad, Tunnel No. 1)
CA-208	Central Pacific Transcontinental Railroad, Tunnel No. 35	Extant	1924	1997	Union Pacific Railroad		Yuba Pass	Nevada	39°19′24″N120°35′34″W / 39.32333°N 120.59278°W / 39.32333; -120.59278 (Central Pacific Transcontinental Railroad, Tunnel No. 35)
CA-209	Central Pacific Transcontinental Railroad, Tunnel No. 36	Extant	1924	1997	Union Pacific Railroad		Yuba Pass	Nevada	39°19′35″N120°35′19″W / 39.32639°N 120.58861°W / 39.32639; -120.58861 (Central Pacific Transcontinental Railroad, Tunnel No. 36)
CA-210	Central Pacific Transcontinental Railroad, Tunnel No. 37	Extant	1925	1997	Union Pacific Railroad		Yuba Pass	Nevada	39°19′26″N120°34′27″W / 39.32389°N 120.57417°W / 39.32389; -120.57417 (Central Pacific Transcontinental Railroad, Tunnel No. 37)
CA-211	Central Pacific Transcontinental Railroad, Tunnel No. 38	Extant	1924	1997	Union Pacific Railroad		Cisco	Placer	39°18′01″N120°32′27″W / 39.30028°N 120.54083°W / 39.30028; -120.54083 (Central Pacific Transcontinental Railroad, Tunnel No. 38)
CA-212	Central Pacific Transcontinental Railroad, Tunnel No. 3	Extant	1868	1997	Union Pacific Railroad		Cisco	Placer	39°18′04″N120°32′22″W / 39.30111°N 120.53944°W / 39.30111; -120.53944 (Central Pacific Transcontinental Railroad, Tunnel No. 3)
CA-213	Central Pacific Transcontinental Railroad, Tunnel No. 39	Extant	1924	1997	Union Pacific Railroad		Cisco	Placer	39°18′00″N120°32′05″W / 39.30000°N 120.53472°W / 39.30000; -120.53472 (Central Pacific Transcontinental Railroad, Tunnel No. 39)
CA-214	Central Pacific Transcontinental Railroad, Tunnel No. 4	Extant	1868	1997	Union Pacific Railroad		Cisco	Placer	39°18′01″N120°32′04″W / 39.30028°N 120.53444°W / 39.30028; -120.53444 (Central Pacific Transcontinental Railroad, Tunnel No. 4)
CA-215	Central Pacific Transcontinental Railroad, Tunnel No. 41	Extant	1925	1997	Union Pacific Railroad	Mount Judah	Donner	Placer	39°18′18″N120°19′03″W / 39.30500°N 120.31750°W / 39.30500; -120.31750 (Central Pacific Transcontinental Railroad, Tunnel No. 41)
CA-218	Southern Pacific Railroad Natron Cutoff, Tunnel No. 17	Extant	1909	1997	Southern Pacific Railroad, Cascade Subdivision	Dorris Hill	Dorris	Siskiyou	41°58′18″N121°54′42″W / 41.97167°N 121.91167°W / 41.97167; -121.91167 (Southern Pacific Railroad Natron Cutoff, Tunnel No. 17)
CA-219	Southern Pacific Railroad Natron Cutoff, Tunnel No. 18	Extant	1909	1997	Southern Pacific Railroad, Cascade Subdivision	Dorris Hill	Dorris	Siskiyou	41°59′46″N121°54′42″W / 41.99611°N 121.91167°W / 41.99611; -121.91167 (Southern Pacific Railroad Natron Cutoff, Tunnel No. 18)
CA-265-G	Figueroa Street Tunnels	Extant	1931	1999	SR 110 ( Arroyo Seco Parkway ) northbound	Elysian Park	Los Angeles	Los Angeles	34°04′23″N118°14′02″W / 34.07306°N 118.23389°W / 34.07306; -118.23389 (Figueroa Street Tunnels)
CA-298-AG	Los Angeles Aqueduct, Tunnel Interior	Extant	1913	2001	Los Angeles Aqueduct		Los Angeles	Los Angeles
CA-315-T	Douglas Aircraft Company Long Beach Plant, Pedestrian Tunnels	Abandoned	1941	2002	Pedestrian ways	SR 19 (Lakewood Boulevard)	Long Beach	Los Angeles	33°49′38″N118°08′31″W / 33.82722°N 118.14194°W / 33.82722; -118.14194 (Douglas Aircraft Company Long Beach Plant, Pedestrian Tunnels)
CA-2259-D	Burlington Northern Santa Fe Railroad, Cajon Subdivision, Tunnel No. 1	Daylighted	1913	2007	BNSF Railway, Cajon Subdivision	Cajon Pass	Devore	San Bernardino	34°20′01″N117°28′05″W / 34.33361°N 117.46806°W / 34.33361; -117.46806 (Burlington Northern Santa Fe Railroad, Cajon Subdivision, Tunnel No. 1)
CA-2259-E	Burlington Northern Santa Fe Railroad, Cajon Subdivision, Tunnel No. 2	Daylighted	1923	2007	BNSF Railway, Cajon Subdivision	Cajon Pass	Devore	San Bernardino	34°19′56″N117°28′24″W / 34.33222°N 117.47333°W / 34.33222; -117.47333 (Burlington Northern Santa Fe Railroad, Cajon Subdivision, Tunnel No. 2)

See also

• List of bridges documented by the Historic American Engineering Record in California

Notes

1. See also HAER No. CA-117, "Yosemite National Park Roads and Bridges" for additional documentation

References

1. Library of Congress. "Prints and Photographs Online Catalog: Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey" . Retrieved January 11, 2023.