Effective date—1979 ex.s. c 136: "The provisions of chapter 136, Laws of 1979 ex. sess. and this 1980 act shall take effect on January 1, 1981, and shall apply to violations of the traffic laws committed on or after January 1, 1981." [
1980 c 128 s 9;
1979 ex.s. c 136 s 111.]