Chapter 10.48 SPEED REGULATIONS* This chapter is included in your selections. Sections: 10.48.010 State speed laws applicable when. 10.48.020 Established speed limits in certain zones – Designated. 10.48.030 Repealed. 10.48.040 Repealed. 10.48.050 Repealed. 10.48.060 Regulation by traffic signals authorized. *For statutory authority for municipalities to change the state speed limits under certain conditions, see Veh. Code §§ 22357 – 22363.