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14

STATES

WASHTO

Divis. Load Permit

WIDTH

8.5

HEIGHT

14

IS NN Oth

IS NN Oth

IS NN Oth

IS NN Oth

IS NN Otn

yes

yes

yes

yes

no

*

*

*

*

*

*

Table 2-4-a TS&W Regulations in Western Border States

Governing Regular Operations (dimensions in feet and weight in 1000s of pounds)

Washington

Idaho

Montana

North Dakota

Minnesota

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

* * *

13.5 13.5 13.5

MAX LENGTH

Single Unit Semi-Trailer 53 53 53 Trailer Doubles Box-length 45

Truck-Trailer Trac-Semi Trac+Double i ISTEA CMV(2) No No i ISTEA CMV(3)

48

NR 61 70 65 NR

Steering

600

Other

500

Steering

20

Single

20

Tandem

34

TIRE WEIGHT (pounds/inch)

AXLE WEIGHT

Tridem

BFB

**

*

**

*

* * *

* * *

* * *

*

*

*

*

*

*

*

*

*

***

NR NR NR

550 550 550

600 600 600

600 600 600

550 550 550

  • *

    **

    • *

      **

    • *

      * 37.8

    • *

      **

*

*

*

*

*

*

50 50 50

40s 40s 40s

53 53 53

53 53 53

53o 53o

48o

68 68

61

75 75

75

NR NR

65

**

75

95 95

na

*

*

*

*

*

*

  • *

    *

*** 53 53 *

75

75 75

NR

NR NR

*

*

*

93

93

na

40 40 40

45 *

48 48 48 *** 75 75 75 NR NR NR *** 68 68 na

No No

95 95 na

*

100 100 na

53s 53s 53s

*

100 100 na

No No

*

28.5 28.5 28.5

NR NR NR

53 53

53

NR NR

NR

75 75

75

NR NR

75

**

75

*

45 45 **

NR NR NR NR 103 103 na

*

  • *

    *

12.1 12.1 12.1 ***

  • *

    *

    • *

      48o 48o

*

GROSS WEIGHT

80

105+o105+o105+o

105+ 105+ 105+

BFB BFB BFB

105+ 105+ 105+

**

*

f FHWA-14 no permit f FHWA-14 r ,permit 5-axle 92s 92s FHWA-14 r. permit >5-axle 144s144s144s i ISTEA LCV(2) i ISTEA LCV(3)

80 105+ 105+

80 105+ 105+

80 80 80

80 105+ 105+

80 80 80

case-by-case

105+s105+s105+s

103s 103s 103s

case-by-case

126s 126s 126s

136s 136s 136s

103s 103s 103s

156s 156s 156s

92s

131+ na

na

131+ na

na

105+ na

na

105+ na

na

105+

na

na

105+

na

na

105+ na na No na na

No Provisions No Provisions

BRIDGE FORMULA

B

***

**

*

**

*

  • *

    out out

***

SOURCES

Guide for Uniform Laws and Regulations Governing TS&W Among WASHTO States. June 1993, UNLESS NOTED OTHERWISE f - FHWA Working Paper #14: GVWs by routine permit are from s and considered “approximate” s - Specialized Carriers and Rigging Association Permit Manual r - Rand-McNally Motor Carrier Atlas

  • o

    - Other source data corrected by State official

i - ISTEA regulation--imply “divisible” load permits because LCVs and CMVs are by definition divisible operations

NOTES

  • *

    means same as WASHTO

NR means not regulated na means not applicable

  • +

    means number has been rounded down

IS means Interstate System highway NN means National Network highway Oth means highways other than IS or NN highways BFB means Bridge Formula B ISTEA CMV(2) means a combination with two cargo units ISTEA CMV(3) means a combination with three cargo units ISTEA LCV(2) means a tractor with two trailing units ISTEA LCV(3) means a tractor with three trailing units

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