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Dimension | National Network | State and Other Supplemental Highways |
Width: | 8' 6" | 8' 6" 12' Implement of Husbandry (conditional) |
Height: | 13' 6" | 13' 6" |
Length: | National Network | State and Other Supplemental Highways |
Bus | 45' | 45' |
Articulated bus | 63' | 63' |
Straight Trucks | 40' See length special limitations for boom trucks | 40' See length special limitations for boom trucks |
Straight truck and trailer | ||
Tractor-semitrailer combinations | No limit | No limit |
Semitrailer | 53' see KPRA | 53' see KPRA |
Tractor-twin-trailer combination | No limit | Not allowed |
Trailers of twin-trailer combinations | 28' 6" | Not allowed |
Boat-transporter combination | 65' plus 3' front and 4' rear overhang | 65' plus 3' front and 4' rear overhang |
Overhang limitations | ||
Stinger-steered boat-transporter | ||
Overhang limitations | ||
Auto-transporter | 65' | 65' |
Overhang limitations | 3' front, 4' rear | 3' front, 4' rear |
Stinger-steered auto-transporter | 80' | 80' |
Overhang limitations | 4' front, 6' rear | 4' front, 6' rear |
Saddlemount | NS | 75' |
General overhang limitations | 3' front, 6' rear | 3' front, 6' rear |
Drawbar | ||
Dromedary | ||
Kingpin to rearaxle | 41' to the center line of the rear axle or rear axle group | 41' to the center line of the rear axle or rear axle group |
Length special limitations or restrictions | Pennsylvania allows a combination transporting articles that, themselves, do not exceed 70' in length and are nondivisible as to length. A vehicle equipped with a boom or boom-like device allowed up to 55' An automobile transporter is not prohibited from the transport of cargo or general freight on a backhaul if the automobile transporter complies with the weight limitations for a truck tractor and semitrailer combination motor vehicle. | |
Weight: | Interstate and Defense Highways | State and Other Supplemental Highways |
Steer axle | 20,000 | 20,000 |
Single axle | 20,000 22,400 lb if GVW is 73,280 lb or less | 20,000 22,400 lb if GVW is 73,280 lb or less |
Tandem axle | 34,000 36,000 lb if GVW is 73,280 lb or less | 34,000 36,000 lb if GVW is 73,280 lb or less |
Tridem axle | ||
Gross vehicle weight | 80,000 following bridge formula | 80,000 following bridge formula |
Load per inch width of tire | 800 | 800 |
Per wheel | ||
Tolerances | ||
APU allowance | 400 | 400 |
Natural gas allowance | 2,000 Includes battery powered | 2,000 Includes battery powered |
Weight special limitations or restrictions |
Number of Axles | Motor Vehicle (Pounds) |
---|---|
2-axle | 38,000 |
3-axle | 58,400 |
4-axle | 73,280 |
5-axle | 73,280 |
6-axle | 77,000 |
7-axle | 80,000 |
(Vehicles may not exceed manufacturer’s weight rating) | |
Combination Type | Combination (Pounds) |
Two-axle truck tractor & single-axle semitrailer | 58,400 |
Two-axle truck tractor & two-axle semitrailer | 73,280 |
Three-axle truck tractor & single-axle semitrailer | 73,280 |
Two-axle truck & two-axle trailer | 73,280 |
Center-to-center dis- tance in feet between the first and last axles of any group of 2 or more consecutive axles | Maximum load in pounds carried in any group of 2 or more consecutive axles | |||||
---|---|---|---|---|---|---|
2 axles | 3 axles | 4 axles | 5 axles | 6 axles | 7 axles | |
4 | 34,000 | |||||
5 | 35,000 | |||||
6 | 36,000 | |||||
7 | 37,000 | |||||
8 | 38,000 | 42,000 | ||||
9 | 39,000 | 43,000 | ||||
10 | 40,000 | 43,500 | ||||
11 | 44,500 | |||||
12 | 45,000 | 50,000 | ||||
13 | 46,000 | 50,500 | ||||
14 | 46,500 | 51,500 | ||||
15 | 47,500 | 52,000 | ||||
16 | 48,000 | 52,500 | 58,000 | |||
17 | 49,000 | 53,500 | 58,500 | |||
18 | 49,500 | 54,000 | 59,500 | |||
19 | 50,500 | 54,500 | 60,000 | |||
20 | 51,000 | 55,500 | 60,500 | 66,000 | ||
21 | 52,000 | 56,000 | 61,000 | 66,500 | ||
22 | 52,500 | 56,500 | 62,000 | 67,000 | ||
23 | 53,500 | 57,500 | 62,500 | 68,000 | ||
24 | 54,000 | 58,000 | 63,000 | 68,500 | 74,000 | |
25 | 55,000 | 58,500 | 63,500 | 69,000 | 74,500 | |
26 | 55,500 | 59,500 | 64,500 | 69,500 | 75,000 | |
27 | 56,500 | 60,000 | 65,000 | 70,000 | 76,000 | |
28 | 57,000 | 60,500 | 65,500 | 71,000 | 76,500 | |
29 | 58,000 | 61,500 | 66,000 | 71,500 | 77,000 | |
30 | 58,500 | 62,000 | 67,000 | 72,000 | 77,500 | |
31 | 59,500 | 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 | 79,500 | ||
34 | 64,500 | 69,500 | 74,500 | 80,000 | ||
35 | 65,500 | 70,000 | 75,000 | 80,000 | ||
36 | 68,000 | 70,500 | 75,500 | 80,000 | ||
37 | 68,000 | 71,000 | 76,000 | 80,000 | ||
38 | 68,000 | 72,000 | 77,000 | 80,000 | ||
39 | 68,000 | 72,500 | 77,500 | 80,000 | ||
40 | 68,500 | 73,000 | 78,000 | 80,000 | ||
41 | 69,500 | 73,500 | 78,500 | 80,000 | ||
42 | 70,000 | 74,500 | 79,000 | 80,000 | ||
43 | 70,500 | 75,000 | 80,000 | 80,000 | ||
44 | 71,500 | 75,500 | 80,000 | 80,000 | ||
45 | 72,000 | 76,000 | 80,000 | 80,000 | ||
46 | 77,000 | 80,000 | 80,000 | |||
47 | 77,500 | 80,000 | 80,000 | |||
48 | 78,000 | 80,000 | 80,000 | |||
49 | 78,500 | 80,000 | 80,000 | |||
50 | 79,500 | 80,000 | 80,000 | |||
51 and over | 80,000 | 80,000 | 80,000 |
Center-to-center dis- tance in feet between the first and last axles of any group of 2 or more consecutive axles | Maximum load in pounds carried in any group of 2 or more consecutive axles | |||||
---|---|---|---|---|---|---|
2 axles | 3 axles | 4 axles | 5 axles | 6 axles | 7 axles | |
4 | 34,000 | |||||
5 | 35,000 | |||||
6 | 36,000 | |||||
7 | 37,000 | |||||
8 | 38,000 | 42,000 | ||||
9 | 39,000 | 43,000 | ||||
10 | 40,000 | 43,500 | ||||
11 | 44,500 | |||||
12 | 45,000 | 50,000 | ||||
13 | 46,000 | 50,500 | ||||
14 | 46,500 | 51,500 | ||||
15 | 47,500 | 52,000 | ||||
16 | 48,000 | 52,500 | 58,000 | |||
17 | 49,000 | 53,500 | 58,500 | |||
18 | 49,500 | 54,000 | 59,500 | |||
19 | 50,500 | 54,500 | 60,000 | |||
20 | 51,000 | 55,500 | 60,500 | 66,000 | ||
21 | 52,000 | 56,000 | 61,000 | 66,500 | ||
22 | 52,500 | 56,500 | 62,000 | 67,000 | ||
23 | 53,500 | 57,500 | 62,500 | 68,000 | ||
24 | 54,000 | 58,000 | 63,000 | 68,500 | 74,000 | |
25 | 55,000 | 58,500 | 63,500 | 69,000 | 74,500 | |
26 | 55,500 | 59,500 | 64,500 | 69,500 | 75,000 | |
27 | 56,500 | 60,000 | 65,000 | 70,000 | 76,000 | |
28 | 57,000 | 60,500 | 65,500 | 71,000 | 76,500 | |
29 | 58,000 | 61,500 | 66,000 | 71,500 | 77,000 | |
30 | 58,500 | 62,000 | 67,000 | 72,000 | 77,500 | |
31 | 59,500 | 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 | 79,500 | ||
34 | 64,500 | 69,500 | 74,500 | 80,000 | ||
35 | 65,500 | 70,000 | 75,000 | 80,000 | ||
36 | 68,000 | 70,500 | 75,500 | 80,000 | ||
37 | 68,000 | 71,000 | 76,000 | 80,000 | ||
38 | 68,000 | 72,000 | 77,000 | 80,000 | ||
39 | 68,000 | 72,500 | 77,500 | 80,000 | ||
40 | 68,500 | 73,000 | 78,000 | 80,000 | ||
41 | 69,500 | 73,500 | 78,500 | 80,000 | ||
42 | 70,000 | 74,500 | 79,000 | 80,000 | ||
43 | 70,500 | 75,000 | 80,000 | 80,000 | ||
44 | 71,500 | 75,500 | 80,000 | 80,000 | ||
45 | 72,000 | 76,000 | 80,000 | 80,000 | ||
46 | 77,000 | 80,000 | 80,000 | |||
47 | 77,500 | 80,000 | 80,000 | |||
48 | 78,000 | 80,000 | 80,000 | |||
49 | 78,500 | 80,000 | 80,000 | |||
50 | 79,500 | 80,000 | 80,000 | |||
51 and over | 80,000 | 80,000 | 80,000 |