Chap. 736 An Act relative to the permissible load limits of certain motor vehicles using the public ways. Be it enacted, etc., as follows: Section 19A of chapter 90 of the General Laws is hereby amended by striking out the first paragraph, as appearing in section 1 of chapter 397 of the acts of 1946, and inserting in place thereof the following paragraph:-Any provision of section thirty of chapter eighty-five to the contrary notwithstanding, a motor vehicle having two axles, which vehicle with its load weighs not more than twenty-three tons, and a semi-trailer unit or a motor vehicle having three or more axles, which unit or vehicle with its load weighs not more than thirty tons, may travel on a public way without a permit as required by said section thirty; provided, that no such motor vehicle or semi-trailer unit, the weight on any axle of which, measured at the ground, exceeds twenty-two thousand four hundred pounds, or, in case of axles spaced less than six feet apart, eighteen thousand pounds, shall so travel without such a permit; and provided further that the gross weight of any such vehicle together with its load expressed in pounds shall not exceed that shown on the following table without such a permit: - (Table is based on the formula W= 1,000 (L-f-25) where L equals distance in feet between axles and W equals maximum gross weight in pounds.) Distance in Feet between the First and Last Axles of a Motor Vehicle or Semi-Trailer Unit (L) 7 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 or over Maximum Gross Weight in Pounds (W) 32,000 33,000 34,000 35,000 36,000 37,000 38,000 39,000 40,000 41,000 42,000 43,000 44,000 45,000 46,000 47,000 48,000 49,000 50,000 51,000 52,000 53,000 54,000 55,000 56,000 57,000 58,000 59,000 60,000 Approved September 1, 1955.