Chapter 10.10 SPEED LIMITS This chapter is included in your selections. Sections: 10.10.010 Maximum speed limits changed. 10.10.020 Twenty miles per hour. 10.10.030 Twenty-five miles per hour. 10.10.040 Thirty miles per hour. 10.10.050 Thirty-five miles per hour. 10.10.060 Forty miles per hour. 10.10.070 Forty-five miles per hour. 10.10.080 Penalty.