Railroad Crossings (0)
Designated Routes 129k (1)
| Black - Legal Route (no permit required): Configuration length, Single - 53', Double - 68', Total length - 75', Total gross weight not to exceed 80,000 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 129,000 lbs, Off-tracking not to exceed 8.75' |
| Purple - Legal Route (no permit required): Configuration length, Single - 53', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 129,000 lbs, Off-tracking not to exceed 6.5' |
| Orange - Legal Route (no permit required): Configuration length, Single - 48', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 95', Total gross weight not to exceed 129,000 lbs, Off-tracking not to exceed 5.5' |
| Dark Green - Legal Route (no permit required): Configuration length, Single - 48', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 129,000 lbs, Off-tracking not to exceed 6.5'; Approved 129,000 lb local routes must obtain permit from Idaho Transportation Department |
| Light Green - Legal Route (no permit required): Configuration length, Single - 48', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Approved 129,000 lb local routes must obtain permit from Local Highway Jurisdiction |
Extra Length Combination Routes (2)
| Blue - Legal Route (no permit required): Configuration length, Single - 48', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 95', Total gross weight not to exceed 105,500 lbs, Off-tracking not to exceed 5.5' |
| Dark Blue - Legal Route (no permit required): Configuration length, Single - 48', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Cannot exceed legal route combination |
| White/No Color - Legal Route (no permit required): Configuration length, Single - 48', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 85', Total gross weight not to exceed 105,500 lbs, Off-tracking not to exceed 3' |
| Thick Red - Legal Route (no permit required): Configuration length, Single - 53', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 105,500 lbs, Off-tracking not to exceed 6.5' |
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| Thick Black - Legal Route (no permit required): Configuration length, Single - 53', Double - 68', Total length - 75', Total gross weight not to exceed 80,000 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 129,000 lbs, Off-tracking not to exceed 8.75' |
| Brown - Legal Route (no permit required): Configuration length, Single - 53', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 129,000 lbs, Off-tracking not to exceed 6.5' |
| Thin Red (off-highway routes) - Legal Route (no permit required): Configuration length, Single - 53', Double - 61', Total length - 75', Total gross weight not to exceed 105,500 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 105,500 lbs, Off-tracking not to exceed 6.5' |
| Thin Black (off-highway routes) - Legal Route (no permit required): Configuration length, Single - 53', Double - 68', Total length - 75', Total gross weight not to exceed 80,000 lbs; Special Permits Requirements: Total length not to exceed (including overhang) 115', Total gross weight not to exceed 129,000 lbs, Off-tracking not to exceed 8.75' |
Freight System (3)
| Primary Highway Freight System |
| Critical Urban Freight Corridor |
| Critical Rural Freight Corridor |
National Truck Network (4)
Weight Capacity (5)
| Purple - Single Axle= 30,000 lbs; Two-Axle Tandem = 51,500 lbs; Three-Axle Tridem = 64,500 lbs |
| Blue - Single Axle= 27,000 lbs; Two-Axle Tandem = 46,000 lbs; Three-Axle Tridem = 57,500 lbs |
| Green - Single Axle= 25,500 lbs; Two-Axle Tandem = 43,500 lbs; Three-Axle Tridem = 54,500 lbs |
| Orange - Single Axle= 24,000 lbs; Two-Axle Tandem = 41,000 lbs; Three-Axle Tridem = 51,500 lbs |
| Yellow - Single Axle= 22,500 lbs; Two-Axle Tandem = 38,000 lbs; Three-Axle Tridem = 48,000 lbs |
| Red - Posted Bridges |
| Black - Single Axle= 33,000 lbs; Two-Axle Tandem = 56,000 lbs; Three-Axle Tridem = 70,500 lbs |
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