California Codes > Streets and Highways Code > Division 17 > Chapter 4.5 California Codes > Streets and Highways Code > Division 17 > Chapter 4.5 – Seismic Retrofit Surcharge Current as of: 2024 | Check for updates | Other versions § 31000 The following definitions apply for purposes of this … § 31010 (a) There is hereby imposed a seismic retrofit surcharge equal … § 31011 (a) The authority may increase the amount of the surcharge … § 31015 (a) Revenues generated from the surcharge shall not exceed nine … § 31020 Notwithstanding Section 30953, as amended by the act adding this … § 31021 Projects in the state toll bridge seismic retrofit and replacement … Ask a legal question, get an answer ASAP!Click here to chat with a lawyer about your rights.