Changes are being put in place at the Northern Civic Amenity Site after reports of staff and site abuse.
Vehicles will now be stopped at the entrance and in some cases, checked.
A site spokesman has apologised for the inconvenience but adds that it's to protect staff and the site.
Did chief minister's message spark fuel panic-buying?
Joe Locke lands purr-fect new role!
Steam Packet fuel surcharge isn't about profit, says chief minister
Ferry crossing delayed by half an hour
Paw-some rescue effort after Milo gets trapped in ravine
New laws for young workers come into force today
Manx Care extends mental health service to more surgeries
Bus Vannin confirms normal services to run over Easter