W=GVW LN=length N=number of axles
Distance------2axles-----3axles-----4axles-----5axles-----6axles-----7axles-----8axles
4'-------------34,000-------------------------------------------------------------------
5'-------------34,000-------------------------------------------------------------------
6'-------------34,000-------------------------------------------------------------------
7'-------------34,000-------------------------------------------------------------------
8' & 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--65,500--70,000--75,500----------
28'--------------------------------57,000--60,500--65,500--71,000--76,500--80,000
29'--------------------------------57,500--61,500--66,000--71,500--77,000--80,000
30'--------------------------------58,500--62,000--66,500--72,000--77,500--80,000
31'--------------------------------59,000--62,500--67,500--72,500--78,000--80,000
32'--------------------------------60,000--63,500--68,000--73,000--78,500--80,000
33'------------------------------------------64,000--68,500--74,000--79,000--80,000
34'------------------------------------------64,500--69,000--74,500--80,000--80,000
35'------------------------------------------65,500--70,000--75,000--80,000--80,000
36'------------------------------------------66,000--70,500--75,500--80,000--80,000
37'------------------------------------------66,500--71,000--76,500--80,000--80,000
38'------------------------------------------67,500--71,500--77,000--80,000--80,000
39'------------------------------------------68,000--72,500--77,500--80,000--80,000
40'------------------------------------------68,500--73,000--78,000--80,000--80,000