Table 1.
Site features and characteristics separated by site type (S and G sites).
| Feature/Road | Category | Unit | All Sites |
G Sites | S Sites | |
|---|---|---|---|---|---|---|
| Count/Ave | Std.Dev. | Count/Ave. | Count/Ave. | |||
| Neighborhood | Residential | (count) | 17 | - | 12 | 5 |
| Commercial | (count) | 4 | - | 3 | 1 | |
| Monitor Site | Front or side yard | (count) | 11 | - | 5 | 6 |
| Location | Back yard | (count) | 10 | - | 10 | 0 |
| Monitoring duration | Average | (hours) | 118 | 74 | 153 | 30 |
| Nearby Sources | None | (count) | 6 | 6 | 5 | 1 |
| Potential | Low | (count) | 5 | 5 | 4 | 1 |
| Medium | (count) | 9 | 9 | 6 | 3 | |
| High | (count) | 1 | 1 | 0 | 1 | |
| Local Road | No obstructions | (count) | 12 | - | 8 | 4 |
| Vegetation obstructions | (count) | 7 | - | 5 | 2 | |
| Building Option | (count) | 2 | - | 2 | 0 | |
| Average Distance | (m) | 23.4 | 8.3 | 23.9 | 22.2 | |
| Average AADT | (vehicles/day) | 3409 | 1669 | - | 3558 | |
| Average CADT | (vehicles/day) | 809 | 633 | - | 809 | |
| I75 | No obstructions | (count) | 3 | - | 2 | 1 |
| Vegetation obstructions | (count) | 4 | - | 1 | 3 | |
| Building Option | (count) | 14 | - | 12 | 2 | |
| Distance | (m) | 382 | 254 | 427 | 271 | |
| AADT | (vehicles/day) | 100519 | 5215 | 98829 | 104746 | |
| CADT | (vehicles/day) | 12922 | 503 | 12755 | 13341 | |