A. Subject to the limit upon the weight imposed upon the highway through any one axle as set forth in Section 66-7-409 NMSA 1978 and except as provided in Subsection D of this section, the total gross weight with load imposed upon the highway by any one group of two or more consecutive axles of a vehicle or combination of vehicles shall not exceed the gross weight given for the respective distance between the first and last axle of the group of axles measured longitudinally to the nearest foot as set forth in the following table: Distance in feet between first and last axles of group Allowed load in pounds on group of axles 34,320 35,100 35,880 36,660 37,440 38,220 39,000 39,780 40,560 41,340 42,120 42,900 43,680 44,460 45,240. B. Except as provided in Subsection D of this section, the total gross weight with load imposed on the highway by any vehicle or combination of vehicles where the distance between the first and last axles is more than eighteen feet shall not exceed that given for the respective distances in the following table: Distance in feet between first and last axles of group Allowed load in pounds on group of axles 53,100 54,000 54,900 55,800 56,700 57,600 58,500 59,400 60,300 61,200 62,100 63,000 63,900 64,800 65,700 66,600 67,500 68,400 69,300 70,200 71,100 72,000 72,900 73,800 74,700 75,600 76,500 77,400 78,300 79,200 80,100 81,000 81,900 82,800 83,700 84,600 85,500 56 or over 86,400. C. The distance between the centers of the axles shall be measured to the nearest even foot. When a fraction is exactly one-half, the next larger whole number shall be used. D. The total gross weight with load limitations imposed by this section for any vehicle or combination of vehicles shall be increased by: (1) four hundred pounds if the vehicle or combination of vehicles uses idle reduction technology; or (2) if the vehicle is a natural gas vehicle, a standard gross weight limit increase for each axle distance category in this section, established by the division by rule, by an amount equal to the difference between the average weight of the vehicle attributable to its natural gas tank and fuel system and the average weight of a comparable diesel tank and fuel system. History: 1953 Comp., § 64-7-410, enacted by Laws 1978, ch. 35, § 481; 2007, ch. 209, § 9; 2016, ch. 70, § 3. Cross references. — For definitions of "combination" and"gross vehicle weight", see 66-1-4.3 NMSA 1978 and 66-1-4.7 NMSA 1978, respectively. For damages for injuries to highway due to excessive weight, see 67-7-10 NMSA 1978. The 2016 amendment, effective May 18, 2016, increased the allowable weight limit for vehicles powered by natural gas; in Subsection D, after "shall be increased by", added the paragraph designation "(1)", after "technology", added "or", and added a new Paragraph (2). The 2007 amendment, effective July 1, 2007, added Subsection D to increase load limitations by vehicles using idle reduction technology. Single axle and gross weight provisions construed harmoniously. — The limitations provided in Section 64-23-20, 1953 Comp. (similar to this section), are subject to Section 64-23-19, 1953 Comp. (similar to Section 66-7-409 NMSA 1978), and these two sections can and should be construed harmoniously. 1965 Op. Att'y Gen. No. 65-43.
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