Map of eastern California with SR 178 highlighted in red
Route information
Maintained by Caltrans
Length
166.81 mi[1] (268.45 km)
Section 1
West end
SR 99 in Bakersfield
Major intersections
SR 204 / SR 99 Bus. in Bakersfield
SR 184 near Bakersfield
SR 155 near Lake Isabella
SR 14 at Freeman Junction
US 395 near Ridgecrest
East end
Trona Road near Trona
Section 2
West end
Death Valley
Major intersections
SR 127 at Shoshone
East end
SR 372 towards Pahrump, NV
Location
Country
United States
State
California
Counties
Kern, San Bernardino, Inyo
Highway system
State highways in California
Interstate
US
State
Scenic
History
Pre‑1964
Unconstructed
Deleted
Freeways
← SR 177
→ SR 180
State Route 178 (SR 178) is a state highway in the U.S. state of California that exists in two constructed segments. The gap in between segments is connected by various local roads and State Route 190 through Death Valley National Park. The western segment runs from State Route 99 in Bakersfield and over the Walker Pass in the Sierra Nevada to the turnoff for the Trona Pinnacles National Natural Landmark. The eastern segment runs from the southeasterly part of Death Valley to Nevada State Route 372 at the Nevada state line.
SR 178 serves many different purposes. It connects Downtown Bakersfield with East Bakersfield and Lake Isabella. It is one of three crossings over the Sierra Nevada south of Yosemite (SR 120, Tioga Pass Road), connecting the southern San Joaquin Valley with the upper Mojave Desert and the Owens Valley. This also provides access to Death Valley National Park. If the unconstructed portion were built, it would also provide an easy route between Ridgecrest, California and Las Vegas, via Pahrump, Nevada.
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Global Information
SR 99 in Bakersfield
SR 127 at Shoshone
SR 372 towards Pahrump, NV
