Notwithstanding any provision of law or rule to the contrary, the following vehicles shall be excluded from the seasonal highway weight limit regulations with the approval of the district engineer, department of transportation:
RSA 236:3-a
1998, 306:6, eff. Aug. 25, 1998. 2010, 126:1, eff. Jan. 1, 2011; 126:2, eff. Jan. 1, 2013. 2015, 61:1, eff. Jan. 1, 2016. 2016, 124:1, eff. July 19, 2016.