California State Route 198

State Route 198 marker
State Route 198
Map
SR 198 highlighted in red
Route information
Maintained by Caltrans
Length141.273 mi[1] (227.357 km)
(plus about 8.5 mi (14 km) on SR 33)
Major junctions
West end US 101 near San Lucas
Major intersections
East endGenerals Highway in Sequoia National Park
Location
CountryUnited States
StateCalifornia
CountiesMonterey, Fresno, Kings, Tulare
Highway system
SR 197 US 199
SR 198 between San Lucas and Coalinga
Looking west on Route 198 a few miles west of Coalinga, California

State Route 198 (SR 198) is an east–west state highway in the U.S. state of California that runs from U.S. Route 101 (US 101) south of King City to Sequoia National Park. It connects the California Central Coast to the mid–Central Valley through Hanford and Visalia, although the most developed portion is in the Central Valley itself. SR 198 intersects the major north–south routes in the Central Valley, including Interstate 5 (I-5), SR 33, and SR 99.

The highway that would become SR 198 was approved for construction in the 1910s through three bond issues, and was added to the state highway system in 1934. Parts of the highway were upgraded to freeway during the 1960s. Another portion was converted to an expressway in between Hanford and Visalia, and was completed in late 2012.

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