> cars are expected to wait their turn on narrow ones Yes, but the drivers don't like that, especially if they're following a bike doing 25kph on a 55kph road.

> cars are expected to wait their turn on narrow ones Yes, but the drivers don't like that, especially if they're following a bike doing 25kph on a 55kph road. The drivers are much less annoyed if the bike is doing 40kph on the 55kph road.