Cal. Sts. & High. Code § 532

(a) Route 232 is from Route 1 near El Rio to Route 118 near Saticoy.

(b) The commission may relinquish to the City of Oxnard the portion of Route 232 that is located within the city limits of that city and is between Oxnard Boulevard and Route 101, upon terms and conditions the commission finds to be in the best interests of the state, if the commission and the city enter into an agreement providing for that relinquishment. (1) A relinquishment under this subdivision shall become effective immediately after the county recorder records the relinquishment resolution that contains the commission’s approval of the terms and conditions of the relinquishment. (2) On and after the effective date of the relinquishment, that portion of Route 232 relinquished shall cease to be a state highway and may not be considered for future adoption under Section 81. (3) For portions of Route 232 relinquished under this subdivision, the City of Oxnard shall maintain within its jurisdiction signs directing motorists to the continuation of Route 232.