W. Va. Code § 17C-17-9: Gross weight of vehicles and loads for the national system of interstate and defense highways.

(a) It shall be unlawful for any owner, lessee or borrower of a vehicle or combination of vehicles to operate on any national system of interstate and defense highways such vehicle or combination of vehicles with a gross weight in excess of the gross weight for which such vehicle or combination of vehicles is registered or in excess of any weight limitation set forth in this chapter, whether such limitation be specifically stated in this chapter or set by express authority granted in this chapter.

(b) Subject to the limit upon the weight imposed upon the highway through any one axle as set forth in section eight of this article, or the limit imposed upon the highway through any tandem-axle as set forth in section eight-a of this article, 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 total group of axles measured longitudinally to the nearest foot as set forth in the following table:

Distance in feet between the extremes of any groups of two or more consecutive | Maximum load in pounds carried on any group of two or more consecutive axles

axles | 2 axles | 3 axles | 4 axles | 5 axles | 6 axles

4 | 34000 | | | |

5 | 34000 | | | |

6 | 34000 | | | |

7 | 34000 | | | |

8 | 34000 | 34000 | | |

9 | 39000 | 42500 | | |

10 | 40000 | 43500 | | |

11 | | 44000 | | |

12 | | 45000 | 50000 | |

13 | | 45500 | 50500 | |

14 | | 46500 | 51200 | |

15 | | 47000 | 52000 | |

16 | | 48000 | 52500 | 58000 |

17 | | 48500 | 53500 | 58500 |

18 | | 49500 | 54000 | 59000 |

19 | | 50000 | 54500 | 60000 |

20 | | 51000 | 55500 | 60500 | 66000

21 | | 51500 | 56000 | 61000 | 66500

22 | | 52500 | 56500 | 61500 | 67000

23 | | 53000 | 57500 | 62500 | 68000

24 | | 54000 | 58000 | 63000 | 68500

25 | | 54500 | 58500 | 63500 | 69000

26 | | 55500 | 59500 | 64000 | 69500

27 | | 56000 | 60000 | 65000 | 70000

28 | | 57000 | 60500 | 65500 | 71000

29 | | 57500 | 61500 | 66000 | 71500

30 | | 58500 | 62000 | 66500 | 72000

31 | | 59000 | 62500 | 67500 | 72500

32 | | 60000 | 63500 | 68000 | 73000

33 | | | 64000 | 68500 | 74000

34 | | | 64500 | 69000 | 74500

35 | | | 65500 | 70000 | 75000

36 | | | 66000 | 70500 | 75500

37 | | | 66500 | 71000 | 76000

38 | | | 67500 | 72000 | 77000

39 | | | 68000 | 72500 | 77500

40 | | | 68500 | 73000 | 78000

41 | | | 69500 | 73500 | 78500

42 | | | 70000 | 74000 | 79000

43 | | | 70500 | 75000 | 80000

44 | | | 71500 | 75500 | 80500

45 | | | 72000 | 76000 | 81000

46 | | | 72500 | 76500 | 81500

47 | | | 73500 | 77500 | 82000

48 | | | 74000 | 78000 | 83000

49 | | | 74500 | 78500 | 83500

50 | | | 75500 | 79000 | 84000

51 | | | 76000 | 80000 | 84500

52 | | | 76500 | 80500 | 85000

53 | | | 77500 | 81000 | 86000

54 | | | 78000 | 81500 | 86500

55 | | | 78500 | 82500 | 87000

56 | | | 79500 | 83000 | 87500

57 | | | 80000 | 83500 | 88000

58 | | | | 84000 | 89000

59 | | | | 85000 | 89500

60 | | | | 85500 | 90000

Provided, That no vehicle or combination of vehicles shall have a gross weight, including the load, in excess of sixty-five thousand pounds, except that the maximum gross weight of vehicles operating on the national system of interstate and defense highways and any highway providing reasonable access to and from terminals and facilities for food, fuel, repairs and rest within the state shall not be in excess of eighty thousand pounds and except as otherwise provided in this article. Notwithstanding the limits prescribed in this subsection, two consecutive sets of tandem-axles may carry a gross load of thirty-four thousand pounds each providing the overall distance between the first and last axles of such consecutive sets of tandem-axles is thirty-six feet or more: Provided, however, That the limits prescribed in this subsection shall not prohibit the operation of any vehicle or combination of vehicles of a type which could be lawfully operated in accordance with gross vehicle weights in effect on January 1, 1975: Provided further, That no maximum weight in excess of or in conflict with any weight limitations prescribed by or pursuant to any act of Congress shall be permitted on the national system of interstate and defense highways.