| Speed (mph) | 1/3 OB Levels Modeled (dBA) | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50.0 Hz | 63.0 Hz | 80.0 Hz | 100.0 Hz | 125.0 Hz | 160.0 Hz | 200.0 Hz | 250.0 Hz | 315.0 Hz | 400.0 Hz | 500.0 Hz | 630.0 Hz | 800.0 Hz | 1000.0 Hz | 1250.0 Hz | 1600.0 Hz | 2000.0 Hz | 2500.0 Hz | 3150.0 Hz | 4000.0 Hz | 5000.0 Hz | 6300.0 Hz | 8000.0 Hz | 10000.0 Hz | |
| 80 | 32.8 | 42.2 | 46.7 | 48.5 | 49.5 | 50.6 | 52.3 | 54.6 | 57.7 | 61.3 | 64.7 | 67.8 | 70.3 | 71.7 | 71.9 | 70.9 | 68.8 | 65.8 | 62.1 | 57.9 | 54.2 | 50.9 | 48.5 | 47.3 |
| 70 | 31.6 | 40.4 | 44.7 | 46.5 | 47.5 | 48.6 | 50.2 | 52.4 | 55.2 | 58.5 | 61.7 | 64.5 | 66.8 | 68.1 | 68.3 | 67.3 | 65.4 | 62.6 | 59.1 | 55.3 | 51.7 | 48.5 | 45.8 | 44 |
| 60 | 30.3 | 38.5 | 42.7 | 44.4 | 45.4 | 46.6 | 48 | 50.1 | 52.8 | 55.8 | 58.6 | 61.3 | 63.3 | 64.4 | 64.6 | 63.7 | 61.9 | 59.4 | 56.2 | 52.6 | 49.2 | 46 | 43 | 40.7 |
| 50 | 29 | 36.7 | 40.6 | 42.4 | 43.4 | 44.5 | 45.9 | 47.9 | 50.3 | 53.1 | 55.6 | 58 | 59.8 | 60.8 | 61 | 60.1 | 58.5 | 56.2 | 53.3 | 49.9 | 46.7 | 43.5 | 40.3 | 37.4 |
| 40 | 27.7 | 34.9 | 38.6 | 40.3 | 41.4 | 42.5 | 43.8 | 45.6 | 47.8 | 50.3 | 52.6 | 54.7 | 56.3 | 57.2 | 57.3 | 56.5 | 55 | 53 | 50.3 | 47.2 | 44.2 | 41 | 37.6 | 34.1 |
| 30 | 26.5 | 33.1 | 36.6 | 38.3 | 39.3 | 40.4 | 41.7 | 43.3 | 45.3 | 47.6 | 49.6 | 51.4 | 52.8 | 53.6 | 53.6 | 52.9 | 51.6 | 49.7 | 47.4 | 44.6 | 41.7 | 38.5 | 34.9 | 30.7 |
| 20 | 25.2 | 31.2 | 34.6 | 36.2 | 37.3 | 38.4 | 39.6 | 41.1 | 42.9 | 44.8 | 46.6 | 48.2 | 49.4 | 49.9 | 50 | 49.3 | 48.2 | 46.5 | 44.4 | 41.9 | 39.2 | 36.1 | 32.1 | 27.4 |
| 10 | 23.9 | 29.4 | 32.5 | 34.2 | 35.2 | 36.4 | 37.5 | 38.8 | 40.4 | 42.1 | 43.6 | 44.9 | 45.9 | 46.3 | 46.3 | 45.7 | 44.7 | 43.3 | 41.5 | 39.2 | 36.7 | 33.6 | 29.4 | 24.1 |