| Type of Street or Highway Estimated | 18,000 lb (80 kN) ESALs |
|---|---|
| Parking lots, light traffic residential streets and farm roads | 5,000 |
| Residential streets, rural farm and residential roads | 10,000 |
| Urban and rural minor collectors | 100,000 |
| Urban minor arterials, light industrial streets, rural major collectors and rural minor arterial highways | 1,000,000 |
| Urban/rural freeways and other principal arterial highways | 3,000,000 |
| Some interstate highways and industrial roads | 10,000,000 |