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Weight Limits, up to 80,000 lbs for all commodities on non-interstate system routes


Legal Allowable Gross Loads

Maximum Load in Pounds Carried on any Group of Two or More Consecutive Axles
  Column K Column L
  Column K Column L
Distance in feet between first and last axle of any group of consecutive axles Vehicles with Three or Four Axles  Vehicles with Five or more Axles
Distance in feet between first and last axle of any group of consecutive axles Vehicles with Three or Four Axles  Vehicles with Five or more Axles
Single Axle Weight 20,000 20,000
 28' 66,000 70,950
3' thru 12' 37,800 37,800 
 29' 66,000 71,500
 13' 56,470 56,470
 30' 66,000 72,050
 14' 57,940 57,940
 31'   72,600
 15' 59,400 59,400
 32'   73,150
 16' 60,610 60,610
 33'   73,700
 17' 61,820 61,820
 34'   74,250
 18' 63,140 63,140
 35'   74,800
 19' 64,350 64,350
 36'   75,350
 20' 65,450 65,450
 37'   75,900
 21' 66,000 66,330
 38'   76,450
 22' 66,000 67,250
 39'   77,000
 23' 66,000 67,880
 40'   77,550
 24' 66,000 68,510
 41'   78,100
 25' 66,000 69,150
 42'   78,650
 26' 66,000 69,770
 43'+   80,000
 27' 66,000 70,400
     
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Page Last Modified: 5/22/2007 2:02:22 PM

Division of Motor Vehicles / Commercial Vehicle Services
Ports of Entry- (208) 334-8688
Motor Carrier- (208) 334-8611
Overlegal Permits- (208) 334-8420
or 1-800-662-7133

CVS@itd.idaho.gov

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Idaho Transportation Department
3311 W. State Street ยท P.O. Box 7129
Boise, ID 83707-1129