| Average Daily Traffic Volume | Daily Boundary Value (h) | Traffic Volume Every Minute (a) |
| 1 - 1500 | 1500 | 0.520833333 |
| 1501 - 4000 | 4000 | 1.388888889 |
| 4001 - 10,000 | 10,000 | 3.472222222 |
| 10,001 - 25,000 | 25,000 | 8.680555556 |
| 25,001 - 75,000 | 75,000 | 26.04166667 |
| 75,001 - 300,000 | 300,000 | 104.1666667 |