Text to be removed highlighted in red.
74:1 New Section; Words and Phrases Defined; Heavy Duty Recovery Vehicle. Amend RSA 259 by inserting after section 40-a the following new section:
259:40-b Heavy Duty Recovery Vehicle. "Heavy duty recovery vehicle" shall mean a wrecker that:
I. Has been designed and manufactured for the specific purpose of recovering large vehicles that have a gross weight rating or actual gross weight in excess of 80,000 pounds;
II. Has either 4 or 5 axles;
III. Has a manufacturer's gross weight vehicle rating in excess of 70,000 pounds;
IV. Has a recovery boom with a rating of at least 70,000 pounds;
V. Has an air brake system with the capability to provide compressed air to the towed vehicle's braking and/or suspension system; and
VI. Has the capability to tow a combination vehicle with an actual gross weight of more than 99,000 pounds.
74:2 Weight on Interstate and Defense Highway System. Amend RSA 266:18, II to read as follows:
II. Maximum allowable vehicle gross weights:
(a) For 2-axle vehicles, 33,400 pounds.
(b) For single unit 3-axle vehicles, 47,500 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (g) (h), whichever is greater, as shown in table III.
(c) For single unit 4-axle vehicles, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes:
(1) 47,500 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (g) (h), whichever is the greater. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic or mechanical means, and be equipped with brakes; or
(2) If a heavy duty recovery vehicle, 75,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater.
(d) For a single unit 5-axle heavy duty recovery vehicle, 80,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes.
(e) For a combination of truck-tractor and semi-trailer equipped with 3 axles, the gross weight shall not exceed that set forth in table I as follows:
Table I.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
25 54,500
26 55,500
27 56,000
28 57,000
29 57,500
30 58,500
31 59,000
32 60,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph (g) (h).
(e) (f) For a combination of truck-tractor and semi-trailer equipped with 4 axles, the gross weight shall not exceed that set forth in table II as follows:
Table II.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
28 60,500
29 61,500
30 62,000
31 62,500
32 63,500
33 64,000
34 64,500
35 65,500
36 66,000
37 66,500
38 67,500
39 68,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph (g) (h).
(f) (g) For a combination of truck-tractor and single semi-trailer with 5 or more axles with gross weight not in excess of 73,280 pounds, the weight on any single axle shall not exceed 22,400 pounds and the weight on any tandem axle shall not exceed 36,000 pounds.
(g) (h) For a combination of truck-tractor and single semi-trailer equipped with 5 or more axles with a gross weight in excess of 73,280 pounds or a combination of truck-tractor and more than one trailing unit, the total gross weight shall not exceed 80,000 pounds including all law enforcement tolerances, and the overall gross weight on a group of 2 or more consecutive axles shall not exceed that produced by application of the following formula, known as the weight formula:
LN
W = 500 ----- + 12N + 36
N-1
(In which W equals overall gross weight on any group of 2 or more consecutive axles to the nearest 500 pounds; L equals the distance measured to the nearest foot between the extreme of any group of 2 or more consecutive axles; and N equals the number of axles in the group under consideration.) Except that 2 consecutive sets of tandem axles may carry a gross load of 34,000 pounds each, provided the overall distance between the first and last axles of such consecutive sets of tandem axles is 36 feet or more and provided that such gross weight shall not exceed 80,000 pounds, including all law enforcement tolerances.
LN
The formula W = 500 ----- + 12N + 36
N-1
when expressed in tabular form results in maximum allowable load in pounds carried on any group of 2 or more consecutive axles as follows in table III.
Table III.
Distance * 2 axles 3 axles 4 axles 5 axles 6 axles 7 axles
4 34,000
5 34,000
6 34,000
7 34,000
8 and less 34,000 34,000
more than 8 38,000 42,000
9 39,000 42,500
10 40,000 43,500
11 44,000
12 45,000 50,000
13 45,500 50,500
14 46,500 51,500
15 47,000 52,000
16 48,000 52,500 58,000
17 48,500 53,500 58,500
18 49,500 54,000 59,000
19 50,000 54,500 60,000
20 51,000 55,500 60,500 66,000
21 51,500 56,000 61,000 66,500
22 52,500 56,500 61,500 67,000
23 53,000 57,500 62,500 68,000
24 54,000 58,000 63,000 68,500 74,000
25 54,500 58,500 63,500 69,000 74,500
26 55,500 59,500 64,000 69,500 75,000
27 56,000 60,000 65,000 70,000 75,500
28 57,000 60,500 65,500 71,000 76,500
29 57,500 61,500 66,000 71,500 77,000
30 58,500 62,000 66,500 72,000 77,500
31 59,000 62,500 67,500 72,500 78,000
32 60,000 63,500 68,000 73,000 78,500
33 64,000 68,500 74,000 79,000
34 64,500 69,000 74,500 80,000
35 65,500 70,000 75,000
37 66,500 71,000 76,000
Distance in feet between the extremes of 4 axles. (2 sets of 2 axles) 68,000 gross weight exception.
The permissible loads are computed to the nearest 500 pounds.
(h) (i) The following loaded vehicles shall not be driven over H15-44 bridges:
(1) A combination vehicle equipped with 5 axles in the configuration of 3-axle truck-tractor and 2-axle semi-trailer with wheel base less than 38 feet or 2-axle truck-tractor with 1-axle semi-trailer and 2-axle full trailer with wheel base less than 45 feet.
(2) A loaded single unit vehicle with full trailer equipped with axles with wheel base less than 45 feet.
(3) Vehicles with 7, 8, or 9 axles.
(i) (j) Coupled vehicles consisting of a truck together with a trailer attached to the truck by a pintle hook or similar coupling device with adequate breakaway protection as provided in RSA 266:63 may be driven, provided the total combined gross weight of the vehicles does not exceed 80,000 pounds and provided that each unit of the coupled vehicles shall be limited to the maximum permissible axle weights and gross weights of the individual units, and further provided that the weight of 2 or more consecutive axles of the coupled vehicle shall not be in excess of that produced by application of the weight formula as defined in subparagraph (g) (h) and shall be limited to a total combined gross weight not in excess of 80,000 pounds, a single axle limit of 20,000 pounds and a tandem axle limit of 34,000 pounds.
74:3 Weight on Non-Interstate and General Highway System. Amend RSA 266:18-a, II to read as follows:
II. Maximum allowable vehicle gross weight:
(a) For 2-axle vehicles, 33,400 pounds.
(b) For single unit 3-axle vehicles, 55,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (g) (h), whichever is greater, as shown in table III in subparagraph (g) (h).
(c) For single unit 4-axle vehicles, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes:
(1) 60,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (g) (h), whichever is the greater. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes; or
(2) If a heavy duty recovery vehicle, 80,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater.
(d) For a single unit 5-axle heavy duty recovery vehicle, 84,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes.
(e) For a combination of truck-tractor and semi-trailer equipped with 3 axles, the gross weight shall not exceed that set forth in table I as follows:
Table I.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
25 54,500
26 55,500
27 56,000
28 57,000
29 57,500
30 58,500
31 59,000
32 60,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph [(g)] (h).
[(e)] (f) For a combination of truck-tractor and semi-trailer equipped with 4 axles, the gross weight shall not exceed that set forth in table II as follows:
Table II.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
28 60,500
29 61,500
30 62,000
31 62,500
32 63,500
33 64,000
34 64,500
35 65,500
36 66,000
37 66,500
38 67,500
39 68,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph [(g)] (h).
[(f)] (g) For a combination of truck-tractor and single semi-trailer with 5 or more axles with gross weight not in excess of 73,280 pounds, the weight on any single axle shall not exceed 22,400 pounds and the weight on any tandem axle shall not exceed 36,000 pounds.
[(g)] (h) For a combination of truck-tractor and single semi-trailer equipped with 5 or more axles with a gross weight in excess of 73,280 pounds or a combination of truck-tractor and more than one trailing unit, the total gross weight shall not exceed 80,000 pounds including all law enforcement tolerances, and the overall gross weight on a group of 2 or more consecutive axles shall not exceed that produced by application of the following formula, known as the weight formula.
LN
The formula W = 500 ----- + 12N + 36
N-1
(In which W equals overall gross weight on any group of 2 or more consecutive axles to the nearest 500 pounds; L equals the distance measured to the nearest foot between the extreme of any group of 2 or more consecutive axles; and N equals the number of axles in the group under consideration.) Except that 2 consecutive sets of tandem axles may carry a gross load of 34,000 pounds each, provided the overall distance between the first and last axles of such consecutive sets of tandem axles is 36 feet or more and provided that such gross weight shall not exceed 80,000 pounds, including all law enforcement tolerances.
LN
The formula W = 500 ----- + 12N + 36
N-1
when expressed in tabular form results in maximum allowable load in pounds carried on any group of 2 or more consecutive axles as follows in table III.
Table III.
Distance * 2 axles 3 axles 4 axles 5 axles 6 axles 7 axles
4 34,000
5 34,000
6 34,000
7 34,000
8 and less 34,000 34,000
more than 8 38,000 42,000
9 39,000 42,500
10 40,000 43,500
11 44,000
12 45,000 50,000
13 45,500 50,500
14 46,500 51,500
15 47,000 52,000
16 48,000 52,500 58,000
17 48,500 53,500 58,500
18 49,500 54,000 59,000
19 50,000 54,500 60,000
20 51,000 55,500 60,500 66,000
21 51,500 56,000 61,000 66,500
22 52,500 56,500 61,500 67,000
23 53,000 57,500 62,500 68,000
24 54,000 58,000 63,000 68,500 74,000
25 54,500 58,500 63,500 69,000 74,500
26 55,500 59,500 64,000 69,500 75,000
27 56,000 60,000 65,000 70,000 75,500
28 57,000 60,500 65,500 71,000 76,500
29 57,500 61,500 66,000 71,500 77,000
30 58,500 62,000 66,500 72,000 77,500
31 59,000 62,500 67,500 72,500 78,000
32 60,000 63,500 68,000 73,000 78,500
33 64,000 68,500 74,000 79,000
34 64,500 69,000 74,500 80,000
35 65,500 70,000 75,000
37 66,500 71,000 76,000
Distance in feet between the extremes of 4 axles. (2 sets of 2 axles) 68,000 gross weight exception.
The permissible loads are computed to the nearest 500 pounds.
[(h)] (i) The following loaded vehicles shall not be driven over H15-44 bridges:
(1) A combination vehicle equipped with 5 axles in the configuration of 3-axle truck-tractor and 2-axle semi-trailer with wheel base less than 38 feet or 2-axle truck-tractor with 1-axle semi-trailer and 2-axle full trailer with wheel base less than 45 feet.
(2) A loaded single unit vehicle with full trailer equipped with axles with wheel base less than 45 feet.
(3) Vehicles with 7, 8, or 9 axles.
[(i)] (j) Coupled vehicles consisting of a truck together with a trailer attached to the truck by a pintle hook or similar coupling device with adequate breakaway protection as provided in RSA 266:63 may be driven, provided the total combined gross weight of the vehicles does not exceed 80,000 pounds and provided that each unit of the coupled vehicles shall be limited to the maximum permissible axle weights and gross weights of the individual units, and further provided that the weight of 2 or more consecutive axles of the coupled vehicle shall not be in excess of that produced by application of the weight formula as defined in subparagraph [(g)] (h) and shall be limited to a total combined gross weight not in excess of 80,000 pounds, a single axle limit of 20,000 pounds and a tandem axle limit of 34,000 pounds.
74:4 Weight on Non-Interstate and General Highway System for Vehicles With Additional Registration. Amend RSA 266:18-b, III to read as follows:
III. Maximum allowable vehicle gross weights:
(a) For 2-axle vehicles, 37,400 pounds.
(b) For single unit 3-axle vehicles, 65,000 pounds.
(c) For single unit 4-axle vehicles, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes:
(1) 73,000 pounds[. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes]; or
(2) If a heavy duty recovery vehicle, 84,000 pounds.
(d) For a single unit 5-axle heavy duty recovery vehicle, 99,000 pounds, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes.
(e) For a combination of truck-tractor and semi-trailer equipped with 3 axles, the gross weight shall not exceed that set forth in table I as follows:
Table I.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
25 54,500
26 55,500
27 56,000
28 57,000
29 57,500
30 58,500
31 59,000
32 60,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any axle shall not exceed that provided in paragraph II.
[(e)] (f) For a combination of truck-tractor and semi-trailer equipped with 4 axles or more, the gross weight shall not exceed that set forth in the following table:
Distance * Total Axles Gross Wt.
8 4 or more 59,000
9 60,000
10 61,000
11 62,000
12 63,000
13 64,000
14 65,000
15 66,000
16 67,000
17 68,000
18 69,000
19 5 or more 70,000
20 72,000
21 74,000
22 76,000
23 78,000
24 80,000
25 80,000
26 80,000
27 80,000
28 82,000
29 84,000
30 6 or more 86,000
31 88,000
32 90,000
33 92,500
34 95,000
35 97,500
36 99,000
Further provided that the maximum tire and axle gross weights as provided in paragraphs I and II shall apply.
[(f)] (g) For a combination of truck-tractor and single semi-trailer with 4 or more axles, the weight on any single axle shall not exceed 22,400 pounds and the weight on any tandem axle shall not exceed 36,000 pounds, and the weight of any tri-axle shall not exceed 54,000 pounds.
[(g)] (h) For a combination of truck-tractor and one or more trailing units being driven upon any way of this state, the total gross weight shall not exceed 99,000 pounds.
[(h)] (i) The commissioner of transportation may restrict at his or her discretion the crossing of certain bridges or other structures, which he or she determines to have insufficient strength to safely carry multiple legal loads, by limiting vehicles to a caution crossing, whereby the bridge is restricted to one vehicle certified under RSA 266:18-d exceeding 37,400 pounds on the bridge at any one time. When multiple vehicles of more than 2 axles are located on the designated bridge, all loaded certified vehicles shall be required to stop and wait until other traffic passes before crossing the bridge. A bridge so restricted shall be posted according to RSA 266:18-c.
[(i)] (j) The following loaded vehicles shall not be driven over H15-44 bridges unless so authorized by the commissioner of transportation:
(1) A combination vehicle equipped with 5 axles in the configuration of 3-axle truck-tractor and 2-axle semi-trailer with wheel base less than 38 feet or 2-axle truck-tractor with one-axle semi-trailer and 2-axle full trailer with wheel base less than 45 feet.
(2) A loaded single unit vehicle with full trailer equipped with 6 axles with wheel base less than 45 feet.
(3) Vehicles with 7, 8, or 9 axles.
[(j)] (k) Coupled vehicles consisting of a truck together with a trailer attached to the truck by a pintle hook or similar coupling device with adequate breakaway protection as provided in RSA 266:63 may be driven, provided the total combined gross weight of the vehicles does not exceed 99,000 pounds and provided that each unit of the coupled vehicles shall be limited to the maximum permissible axle weights and gross weights of the individual units, and further provided that the weight of 2 or more consecutive axles of the coupled vehicle shall not be in excess of that produced by application of the weight formula as defined in RSA 266:18-b, [III(e)] III(f) and shall be limited to a total combined gross weight not in excess of 99,000 pounds, a single axle limit of 22,400 pounds, a tandem axle limit of 36,000 pounds, and a tri-axle limit of 54,000 pounds.
[(k)] (l) For a combination of truck-tractor and dump trailer equipped with 6 axles or more, the gross weight shall not exceed 99,000 pounds if the distance between the extreme axles, excluding the steering axle, is 28 feet or more. If the distance between the extreme axles is less than 28 feet, the maximum weight shall be determined under subparagraph [(e)] (f).
74:5 Effective Date. This act shall take effect 60 days after its passage.
Approved: May 25, 2018
Effective Date: July 24, 2018
Text to be added highlighted in green.
74:1 New Section; Words and Phrases Defined; Heavy Duty Recovery Vehicle. Amend RSA 259 by inserting after section 40-a the following new section:
259:40-b Heavy Duty Recovery Vehicle. "Heavy duty recovery vehicle" shall mean a wrecker that:
I. Has been designed and manufactured for the specific purpose of recovering large vehicles that have a gross weight rating or actual gross weight in excess of 80,000 pounds;
II. Has either 4 or 5 axles;
III. Has a manufacturer's gross weight vehicle rating in excess of 70,000 pounds;
IV. Has a recovery boom with a rating of at least 70,000 pounds;
V. Has an air brake system with the capability to provide compressed air to the towed vehicle's braking and/or suspension system; and
VI. Has the capability to tow a combination vehicle with an actual gross weight of more than 99,000 pounds.
74:2 Weight on Interstate and Defense Highway System. Amend RSA 266:18, II to read as follows:
II. Maximum allowable vehicle gross weights:
(a) For 2-axle vehicles, 33,400 pounds.
(b) For single unit 3-axle vehicles, 47,500 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is greater, as shown in table III.
(c) For single unit 4-axle vehicles, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes:
(1) 47,500 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater; or
(2) If a heavy duty recovery vehicle, 75,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater.
(d) For a single unit 5-axle heavy duty recovery vehicle, 80,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes.
(e) For a combination of truck-tractor and semi-trailer equipped with 3 axles, the gross weight shall not exceed that set forth in table I as follows:
Table I.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
25 54,500
26 55,500
27 56,000
28 57,000
29 57,500
30 58,500
31 59,000
32 60,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph (h).
(f) For a combination of truck-tractor and semi-trailer equipped with 4 axles, the gross weight shall not exceed that set forth in table II as follows:
Table II.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
28 60,500
29 61,500
30 62,000
31 62,500
32 63,500
33 64,000
34 64,500
35 65,500
36 66,000
37 66,500
38 67,500
39 68,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph (h).
(g) For a combination of truck-tractor and single semi-trailer with 5 or more axles with gross weight not in excess of 73,280 pounds, the weight on any single axle shall not exceed 22,400 pounds and the weight on any tandem axle shall not exceed 36,000 pounds.
(h) For a combination of truck-tractor and single semi-trailer equipped with 5 or more axles with a gross weight in excess of 73,280 pounds or a combination of truck-tractor and more than one trailing unit, the total gross weight shall not exceed 80,000 pounds including all law enforcement tolerances, and the overall gross weight on a group of 2 or more consecutive axles shall not exceed that produced by application of the following formula, known as the weight formula:
LN
W = 500 ----- + 12N + 36
N-1
(In which W equals overall gross weight on any group of 2 or more consecutive axles to the nearest 500 pounds; L equals the distance measured to the nearest foot between the extreme of any group of 2 or more consecutive axles; and N equals the number of axles in the group under consideration.) Except that 2 consecutive sets of tandem axles may carry a gross load of 34,000 pounds each, provided the overall distance between the first and last axles of such consecutive sets of tandem axles is 36 feet or more and provided that such gross weight shall not exceed 80,000 pounds, including all law enforcement tolerances.
LN
The formula W = 500 ----- + 12N + 36
N-1
when expressed in tabular form results in maximum allowable load in pounds carried on any group of 2 or more consecutive axles as follows in table III.
Table III.
Distance Distance in feet between the extremes of any group of 2 or more consecutive axles.
FN** Distance in feet between the extremes of 4 axles. (2 sets of 2 axles) 68,000 gross weight exception.
The permissible loads are computed to the nearest 500 pounds.
(i) The following loaded vehicles shall not be driven over H15-44 bridges:
(1) A combination vehicle equipped with 5 axles in the configuration of 3-axle truck-tractor and 2-axle semi-trailer with wheel base less than 38 feet or 2-axle truck-tractor with 1-axle semi-trailer and 2-axle full trailer with wheel base less than 45 feet.
(2) A loaded single unit vehicle with full trailer equipped with axles with wheel base less than 45 feet.
(3) Vehicles with 7, 8, or 9 axles.
(j) Coupled vehicles consisting of a truck together with a trailer attached to the truck by a pintle hook or similar coupling device with adequate breakaway protection as provided in RSA 266:63 may be driven, provided the total combined gross weight of the vehicles does not exceed 80,000 pounds and provided that each unit of the coupled vehicles shall be limited to the maximum permissible axle weights and gross weights of the individual units, and further provided that the weight of 2 or more consecutive axles of the coupled vehicle shall not be in excess of that produced by application of the weight formula as defined in subparagraph (h) and shall be limited to a total combined gross weight not in excess of 80,000 pounds, a single axle limit of 20,000 pounds and a tandem axle limit of 34,000 pounds.
74:3 Weight on Non-Interstate and General Highway System. Amend RSA 266:18-a, II to read as follows:
II. Maximum allowable vehicle gross weight:
(a) For 2-axle vehicles, 33,400 pounds.
(b) For single unit 3-axle vehicles, 55,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is greater, as shown in table III in subparagraph (h).
(c) For single unit 4-axle vehicles, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes:
(1) 60,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater; or
(2) If a heavy duty recovery vehicle, 80,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater.
(d) For a single unit 5-axle heavy duty recovery vehicle, 84,000 pounds, or a gross weight not in excess of that produced by application of the weight formula as defined in subparagraph (h), whichever is the greater. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes.
(e) For a combination of truck-tractor and semi-trailer equipped with 3 axles, the gross weight shall not exceed that set forth in table I as follows:
Table I.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
25 54,500
26 55,500
27 56,000
28 57,000
29 57,500
30 58,500
31 59,000
32 60,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph [(g)] (h).
[(e)] (f) For a combination of truck-tractor and semi-trailer equipped with 4 axles, the gross weight shall not exceed that set forth in table II as follows:
Table II.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
28 60,500
29 61,500
30 62,000
31 62,500
32 63,500
33 64,000
34 64,500
35 65,500
36 66,000
37 66,500
38 67,500
39 68,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any group of 2 or more consecutive axles shall not exceed that produced by application of the weight formula as defined in subparagraph [(g)] (h).
[(f)] (g) For a combination of truck-tractor and single semi-trailer with 5 or more axles with gross weight not in excess of 73,280 pounds, the weight on any single axle shall not exceed 22,400 pounds and the weight on any tandem axle shall not exceed 36,000 pounds.
[(g)] (h) For a combination of truck-tractor and single semi-trailer equipped with 5 or more axles with a gross weight in excess of 73,280 pounds or a combination of truck-tractor and more than one trailing unit, the total gross weight shall not exceed 80,000 pounds including all law enforcement tolerances, and the overall gross weight on a group of 2 or more consecutive axles shall not exceed that produced by application of the following formula, known as the weight formula.
LN
The formula W = 500 ----- + 12N + 36
N-1
(In which W equals overall gross weight on any group of 2 or more consecutive axles to the nearest 500 pounds; L equals the distance measured to the nearest foot between the extreme of any group of 2 or more consecutive axles; and N equals the number of axles in the group under consideration.) Except that 2 consecutive sets of tandem axles may carry a gross load of 34,000 pounds each, provided the overall distance between the first and last axles of such consecutive sets of tandem axles is 36 feet or more and provided that such gross weight shall not exceed 80,000 pounds, including all law enforcement tolerances.
LN
The formula W = 500 ----- + 12N + 36
N-1
when expressed in tabular form results in maximum allowable load in pounds carried on any group of 2 or more consecutive axles as follows in table III.
Table III.
Distance Distance in feet between the extremes of any group of 2 or more consecutive axles.
FN** Distance in feet between the extremes of 4 axles. (2 sets of 2 axles) 68,000 gross weight exception.
The permissible loads are computed to the nearest 500 pounds.
[(h)] (i) The following loaded vehicles shall not be driven over H15-44 bridges:
(1) A combination vehicle equipped with 5 axles in the configuration of 3-axle truck-tractor and 2-axle semi-trailer with wheel base less than 38 feet or 2-axle truck-tractor with 1-axle semi-trailer and 2-axle full trailer with wheel base less than 45 feet.
(2) A loaded single unit vehicle with full trailer equipped with axles with wheel base less than 45 feet.
(3) Vehicles with 7, 8, or 9 axles.
[(i)] (j) Coupled vehicles consisting of a truck together with a trailer attached to the truck by a pintle hook or similar coupling device with adequate breakaway protection as provided in RSA 266:63 may be driven, provided the total combined gross weight of the vehicles does not exceed 80,000 pounds and provided that each unit of the coupled vehicles shall be limited to the maximum permissible axle weights and gross weights of the individual units, and further provided that the weight of 2 or more consecutive axles of the coupled vehicle shall not be in excess of that produced by application of the weight formula as defined in subparagraph [(g)] (h) and shall be limited to a total combined gross weight not in excess of 80,000 pounds, a single axle limit of 20,000 pounds and a tandem axle limit of 34,000 pounds.
74:4 Weight on Non-Interstate and General Highway System for Vehicles With Additional Registration. Amend RSA 266:18-b, III to read as follows:
III. Maximum allowable vehicle gross weights:
(a) For 2-axle vehicles, 37,400 pounds.
(b) For single unit 3-axle vehicles, 65,000 pounds.
(c) For single unit 4-axle vehicles, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes:
(1) 73,000 pounds[. Such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes]; or
(2) If a heavy duty recovery vehicle, 84,000 pounds.
(d) For a single unit 5-axle heavy duty recovery vehicle, 99,000 pounds, provided that such vehicles shall have drive on 2 rear axles, and the tridem may contain not more than one retractable axle and, if not factory installed and load equalizing, must provide a system of load equalization by hydraulic, pneumatic, or mechanical means, and be equipped with brakes.
(e) For a combination of truck-tractor and semi-trailer equipped with 3 axles, the gross weight shall not exceed that set forth in table I as follows:
Table I.
Distance Between Maximum Gross Weight
Extreme Axles in Feet in Pounds
25 54,500
26 55,500
27 56,000
28 57,000
29 57,500
30 58,500
31 59,000
32 60,000
Further provided that the maximum tire and axle gross weights as provided in paragraph I shall apply, and the maximum load in pounds carried on any axle shall not exceed that provided in paragraph II.
[(e)] (f) For a combination of truck-tractor and semi-trailer equipped with 4 axles or more, the gross weight shall not exceed that set forth in the following table:
Distance The distance in feet noted is that between extreme axles, excluding the steering axle.
Further provided that the maximum tire and axle gross weights as provided in paragraphs I and II shall apply.
[(f)] (g) For a combination of truck-tractor and single semi-trailer with 4 or more axles, the weight on any single axle shall not exceed 22,400 pounds and the weight on any tandem axle shall not exceed 36,000 pounds, and the weight of any tri-axle shall not exceed 54,000 pounds.
[(g)] (h) For a combination of truck-tractor and one or more trailing units being driven upon any way of this state, the total gross weight shall not exceed 99,000 pounds.
[(h)] (i) The commissioner of transportation may restrict at his or her discretion the crossing of certain bridges or other structures, which he or she determines to have insufficient strength to safely carry multiple legal loads, by limiting vehicles to a caution crossing, whereby the bridge is restricted to one vehicle certified under RSA 266:18-d exceeding 37,400 pounds on the bridge at any one time. When multiple vehicles of more than 2 axles are located on the designated bridge, all loaded certified vehicles shall be required to stop and wait until other traffic passes before crossing the bridge. A bridge so restricted shall be posted according to RSA 266:18-c.
[(i)] (j) The following loaded vehicles shall not be driven over H15-44 bridges unless so authorized by the commissioner of transportation:
(1) A combination vehicle equipped with 5 axles in the configuration of 3-axle truck-tractor and 2-axle semi-trailer with wheel base less than 38 feet or 2-axle truck-tractor with one-axle semi-trailer and 2-axle full trailer with wheel base less than 45 feet.
(2) A loaded single unit vehicle with full trailer equipped with 6 axles with wheel base less than 45 feet.
(3) Vehicles with 7, 8, or 9 axles.
[(j)] (k) Coupled vehicles consisting of a truck together with a trailer attached to the truck by a pintle hook or similar coupling device with adequate breakaway protection as provided in RSA 266:63 may be driven, provided the total combined gross weight of the vehicles does not exceed 99,000 pounds and provided that each unit of the coupled vehicles shall be limited to the maximum permissible axle weights and gross weights of the individual units, and further provided that the weight of 2 or more consecutive axles of the coupled vehicle shall not be in excess of that produced by application of the weight formula as defined in RSA 266:18-b, [III(e)] III(f) and shall be limited to a total combined gross weight not in excess of 99,000 pounds, a single axle limit of 22,400 pounds, a tandem axle limit of 36,000 pounds, and a tri-axle limit of 54,000 pounds.
[(k)] (l) For a combination of truck-tractor and dump trailer equipped with 6 axles or more, the gross weight shall not exceed 99,000 pounds if the distance between the extreme axles, excluding the steering axle, is 28 feet or more. If the distance between the extreme axles is less than 28 feet, the maximum weight shall be determined under subparagraph [(e)] (f).
74:5 Effective Date. This act shall take effect 60 days after its passage.
Approved: May 25, 2018
Effective Date: July 24, 2018