| k | num | v's |
| zhb_code | 3 | 11FF170000 (1), 11FF170300 (2), |
| zone | 5 | 4000 (3), 5734 (2), |
| zone:De_Lijn | 2 | 01 (1), 20 (1), |
| zone:TEC | 1 | 6322 (1), |
| zone:maxspeed | 8 | DE:30 (4), FR:30 (4), |
| zone:traffic | 15 | DE:rural (1), DE:urban (2), NL:urban (12), |
| zoo | 3 | petting_zoo (3), |