| You should assume that this posted clearance is correct | |
| Driving close to the center line will get you a few more inches of clearance | |
| If you`re carrying a heavier load your required clearance may be more than you think | |
| If you`re carrying a lighter load your required clearance may be more than you think |
| Driver | |
| Maintenance mechanic | |
| Trucking company | |
| Federal and state inspectors |
| Brakes, air lines, brake lights | |
| Headlights, signal lights, clearance lights | |
| Fuel tank, tire pressure, couplings | |
| Cab interior, tire tread, brake lights |