There is a joke, that in order to facilitate such a change, it should be done in more manageable steps. So on day 1, only the motorcycles switch over to the other side of driving, on day 2 the motor vehicles, and on day 3 the trucks and busses switches over...
Archelaos|1 year ago
"Have you heared: Britain wants to switch to right-hand traffic?"
...
"Yes, but they want to do it step by step."
???
"They want to start with lorries first."