California Streets And Highways Code — The Improvement Act Of 1911 — Short title Date: 8 Sep 2016 TEXT PDF Current through the 2016 Legislative Session This division may be cited as the Improvement Act of 1911. Ca. Sts. and High. Code § 5000 Amended by Stats 2015 ch 303 (AB 731),s 505, eff. 1/1/2016.