How do I report a WDH van parked dangerously? How to report WDH vehicles Our vehicle drivers always take the upmost care when driving around our estates. If you need to raise an issue about a WDH van you should contact OneCALL on 0345 8 507 507. All our vans have a visible WDH logo and a three digit fleet number on the rear of the vehicle. To trace the vehicle we will need you to supply us with the fleet number and / or the vehicles registration number. Keywords vans ; driving ; report ; complain ; parking