Section 1622 Of Article 3. Other Highway Funds From California Streets And Highways Code >> Division 2. >> Chapter 8. >> Article 3.

. All amounts paid to each county, out of money derived from the Highway Users Tax Fund shall be deposited in a "road fund" which each board of supervisors shall establish for that purpose. Interest received by a county from the investment of money in its road fund shall be deposited in the fund and shall be used for road purposes.