Tree and site characteristics at Ravnsnæsvej road (RV) and Kongevejen road (KV).
| Tree/site characteristic | RV | KV |
|---|---|---|
| Species | Acer plataniodes | Quercus robur |
| Year of planting | 1991 | 1984 |
| Height (m) | 6.7 | 3.5–7.5 |
| Diameter at breast height (cm) | 7.9 | 6–15.5 |
| Health status (visual inspection) | Healthy, few chloroses | Many necroses and chloroses |
| Width of median strip (m) | 6 | 3.8 |
| Planting distance from roadside (m) | On a line, 1.9 m from one side | In the middle, 1.9 m from both sides |
| Number of trees | 3 × 3 trees | 4 trees |
| Distance between trees (m) | 10 m between trees in the groups; 25 m between groups | 10 m between trees |
| Width of carriageway (m) | 2 × 5 | 2 × 7 |
| Lanes on the carriageway | 1 in each direction | 2 in each direction |
| Traffic load (cars per day) | 24,600 | 7,000 |
| Applied deicer, mean of 1997–1998 and 1998–1999 (kg/m2) | 1.1 | 1.1 |