1. Red Plate
2. His route is on the door of the cab i.e. west end, beach, Negril to Green Island etc
3. If he picks up up outside his route it is automatically a charter. He's supposed to put a charter sign in his window.
The route cab system is the heart of Jamaican transportation. There is virtually no where you can't get to in route cab.
IMHO. As a visitor I always paid more than the actual fare but do it quietly. Now it costs a lot more