| Site | Volume (vpd) | Mean Speed (mph) | ||||
| Before | 1 Mo. | Change | 12 Mo. | Change | ||
| Hazelton East | 843 | 36.2 | 34.6 | −1.6 (p = 0) | 34.8 | −1.6 (p = 0) |
| Quasqueton North | 1868 | 41.6 | 43.0 | 1.4 (p = 0.35) | 41.8 | 0.2 (p = 0.45) |
| Quasqueton South | 1947 | 34.7 | 33.5 | −1.2 (p = 0) | 32.4 | −2.3 (p = 0) |
|
|
| 85th Percentile Speed (mph) | ||||
| Hazelton East |
| 43 | 42 | −1 | 42 | −1 |
| Quasqueton North |
| 48 | 50 | 2 | 49 | 1 |
| Quasqueton South |
| 41 | 40 | −1 | 39 | −2 |