¿Cuál es la velocidad máxima genérica permitida para un vehículo mixto adaptable que circula por una autopista o autovía?

The correct answer is 100 km/h. Under the Spanish General Traffic Regulations, the speed limits on motorways and dual carriageways are grouped by type of vehicle: 1. 120 km/h: cars and motorcycles. 2. 100 km/h: buses, adaptable mixed-use vehicles and car-derived vans. 3. 90 km/h: lorries, tractor units, large vans, small vans and articulated vehicles. A common mistake is to think these vehicles may drive at 120 km/h like a car, but because of their technical and load characteristics their limit is reduced to 100 km/h.