Section 390 Of Article 3. The State Highway Routes From California Streets And Highways Code >> Division 1. >> Chapter 2. >> Article 3.
390
. (a) Route 90 is from Route 1 northwest of the Los Angeles
International Airport to Route 91 in Santa Ana Canyon passing near La
Habra, except for the portion within the city limits of Yorba Linda.
(b) The relinquished former portion of Route 90 within the City of
Yorba Linda is not a state highway and is not eligible for adoption
under Section 81.
(c) The City of Yorba Linda shall ensure the continuity of traffic
flow on the relinquished former portion of Route 90, including any
traffic signal progression.
(d) For the relinquished former portion of Route 90, the City of
Yorba Linda shall maintain signs directing motorists to the
continuation of Route 90.