| Number of responses | Percentage | ||
|---|---|---|---|
| Number of stations | Increase | 8 | 16 |
| Decrease | 11 | 22.5 | |
| No change | 19 | 39 | |
| Discontinued | 11 | 22.5 | |
| Vehicle classification | Yes | 13 | 34 |
| No | 25 | 66 | |
| Monitoring direction | One direction | 19 | 50 |
| Both directions | 19 | 50 | |
| Sessions per year | Daily | 4 | 10 |
| Monthly | 1 | 3 | |
| Quarterly | 20 | 53 | |
| Semi-annually | 3 | 8 | |
| Annually | 4 | 10 | |
| As needed | 6 | 16 | |
| Session duration | 24 hours | 33 | 87 |
| 48 hours | 2 | 5 | |
| 72 hours | 1 | 3 | |
| Continuous | 2 | 5 |