(a) Route 16 is from:

(1) Route 20 to Route 5 near Woodland via Rumsey and Woodland.

(2) Route 50 near Perkins to Route 49 near Drytown.

(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 to the City of Sacramento the portion of Route 16 that is located within the city limits of that city if the city agrees to accept it. 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 portion of Route 16 shall cease to be a state highway.

(3) The portion of Route 16 relinquished under this subdivision shall be ineligible for future adoption under Section 81.

(4) For the portion of Route 16 relinquished under this subdivision, the City of Sacramento shall apply for approval of a business route designation for the relinquished portion of the highway in accordance with Chapter 20, Topic 21, of the Highway Design Manual.

(5) For the portion of Route 16 relinquished under this subdivision, the City of Sacramento shall install and maintain within its jurisdiction signs directing motorists to the continuation of Route 16 to the east.

(6) The City of Sacramento shall maintain the Surface Transportation Assistance Act (STAA) truck route designation for the portion of Route 16 relinquished that previously held that designation.

(c) (1) 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 to the County of Sacramento the portion of Route 16 that is within the unincorporated area of the county and between the general easterly city limits of the City of Sacramento, approximately post mile 3.3, and 0.2 miles east of Grant Line Road, approximately post mile 12.7, if the county agrees to accept it.

(2) The following conditions shall apply upon relinquishment:

(A) 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.

(B) On and after the effective date of the relinquishment, the relinquished portion of Route 16 shall cease to be a state highway.

(C) The portion of Route 16 relinquished under this subdivision shall be ineligible for future adoption under Section 81.

(D) For the portion of Route 16 relinquished under this subdivision, the County of Sacramento shall apply for approval of a business route designation for the relinquished portion of the highway in accordance with Chapter 20, Topic 21, of the Highway Design Manual.

(E) For the portion of Route 16 relinquished under this subdivision, the County of Sacramento shall install and maintain within its jurisdiction signs directing motorists to the continuation of Route 16 to the east.

(F) The County of Sacramento shall maintain the STAA truck route designation for the portion of Route 16 relinquished that previously held that designation.

(G) The County of Sacramento shall ensure the continuity of traffic flow on the relinquished portion of Route 16 within its jurisdiction, including, but not limited to, any traffic signal progression.

(H) Any relinquishment agreement shall require that the County of Sacramento administer the operation and maintenance of the roadway in a manner that is consistent with professional traffic engineering standards.

(I) Any relinquishment agreement shall require the County of Sacramento to ensure that appropriate traffic studies or analyses will be performed to substantiate decisions affecting traffic on the roadway.

(d) 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 to the City of Rancho Cordova the portion of Route 16 that is within the city limits of the city between Sunrise Boulevard, approximately post mile 11.5, and Grant Line Road, approximately post mile 12.5, if the city agrees to accept it. 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 portion of Route 16 shall cease to be a state highway.

(3) The portion of Route 16 relinquished under this subdivision shall be ineligible for future adoption under Section 81.

(4) For the portion of Route 16 relinquished under this subdivision, the City of Rancho Cordova shall apply for approval of a business route designation for the relinquished portion of the highway in accordance with Chapter 20, Topic 21, of the Highway Design Manual.

(Amended by Stats. 2015, Ch. 630, Sec. 2. (AB 652) Effective January 1, 2016.)