20 famous European road trips, each coloured by whether a car towing a caravan may drive it: 10 the whole road, 7 with a bypass, 3 not at all (Stelvio, the Amalfi coast road, the Lake District’s Hardknott/Wrynose loop).
A few things that surprised me while reading the rules:
- Amalfi coast road (SS163): campers and caravans are banned 06:30–24:00, while motorbikes are exempt from the odd/even number-plate days cars get in summer.
- Grossglockner: a motorcycle’s day ticket is €36.50 against €46.50 for a car — and a car with a caravan pays the car rate.
- Geiranger–Hellesylt ferry: about €76 for a car with its driver, €187 for a car + caravan (10–14 m), €61 for a motorbike.
Rules read on 5 Nov from the road authorities and operators (where only a secondary source says it, the page says so). Each road is priced for car, car + caravan, motorhome and motorcycle: https://copilot.travel/maps/famous-road-trips Corrections welcome.


In some places, this is legally required.
True, like Germany has it in the traffic code: StVO §5(6) says the driver of a slower vehicle must slow down at a suitable place, and wait if necessary, when that’s the only way several vehicles right behind can overtake.
In the UK it’s in the Highway Code (rule 169: “Do not hold up a long queue of traffic… pull in where it is safe and let traffic pass”), though there it’s guidance rather than law. Thanks I will put the German rule on the German Alpine Road’s caravan row.