SHC §386: (a) Route 86 is from: (1) Route 111 to Route 8 near El Centro.

(a) Route 86 is from: (1) Route 111 to Route 8 near El Centro. (2) Route 8 near El Centro to the southern limit of the City of Imperial. (3) The northern limit of the City of Imperial to Route 10 in the City of Indio via the vicinity of City of Brawley. (b) Upon a determination by the commission that it is in the best interests of the state to do so, the commission may, upon terms and conditions approved by it, relinquish the following portions of Route 86, if the department and the applicable local agency enter into an agreement providing for that relinquishment, as follows: (1) To the County of Imperial, the portions of Route 86 within unincorporated areas of the county from the beginning of the route at the junction of Route 111 to 0.5 mile south of Fredricks Road. (2) To the City of El Centro, the portion of Route 86 within its city limits. (3) To the City of Brawley, the portion of Route 86 within its city limits. (c) The following conditions shall apply upon relinquishment: (1) The relinquishment shall become effective on the date following the county recorder’s recordation of the relinquishment resolution containing the commission’s approval of the terms and conditions of the relinquishment. (2) On and after the effective date of the relinquishment, the relinquished portions of Route 86 shall cease to be a state highway. (3) The portions of Route 86 relinquished under this subdivision shall be ineligible for future adoption under Section 81. (4) The Cities of Brawley and El Centro, and the County of Imperial, shall ensure the continuity of traffic flow on the relinquished portions of Route 86, including any traffic signal progression. (5) For the portions of Route 86 that are relinquished under this subdivision, the Cities of Brawley and El Centro, and the County of Imperial, shall install and maintain, within their respective jurisdictions, the city or county signs directing motorists to the continuation of Route 86 to the extent deemed necessary by the department. (d) Following the relinquishments authorized in subdivision (b), the portion of Route 86 from 0.5 mile south of Fredricks Road to the north junction of Route 78 shall be redesignated as a part of Route 78. (e) The relinquished former portion of Route 86 within the City of Imperial is not a state highway and is not eligible for adoption under Section 81. For the relinquished former portion of Route 86, the City of Imperial shall install and maintain within its jurisdiction signs directing motorists to the continuation of Route 86 to the extent deemed necessary by the department. The City of Imperial shall ensure the continuity of traffic flow on the relinquished portion of Route 86 within its jurisdiction, including any traffic signal progression.