California State Route 42

State Route 42 marker
State Route 42
SR 42 last routing highlighted in pink.
Route information
Maintained by Caltrans
Existed1960–2000
Major junctions
West end SR 1 in Westchester
Major intersections
East end I-5[a] in Norwalk
Location
CountryUnited States
StateCalifornia
CountiesLos Angeles
Highway system
SR 41 SR 43

State Route 42 (SR 42) is a decommissioned state highway in the southern region part of the U.S. state of California, running along Manchester Avenue, Manchester Boulevard and Firestone Boulevard in Los Angeles and the cities south of it. In its final official routing that lasted from 1968 to 2000, SR 42 ran from State Route 1 west of Inglewood (near Los Angeles International Airport) east to what was then a direct interchange with Interstate 5 in Norwalk.[1] Though signed as SR 42, it was officially Route 105 until it was replaced by the parallel Interstate 105 on October 14, 1993.[2] The entire route was deleted from the California Freeway and Expressway System in 2000, with the remaining portion of SR 42 being relinquished to local jurisdictions in that year.[3] The direct interchange with I-5 was later demolished in 2013 in favor widening that portion of the Interstate.[1] However, some SR 42 signs may still remain along the route.[3]


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  1. ^ a b Cite error: The named reference metro.net was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference bridgelog was invoked but never defined (see the help page).
  3. ^ a b California Highways: Former State Route 42