Travelling over a large distance driving any kind of vehicle. Usually through multiple states, provinces, or countries. Some other tags related to travel by road (whether or not in a vehicle, or for large or small distances) are listed in 'tag info'.
Road trips are long journeys in any kind of vehicle where the purpose is to travel and explore.
Some other tags in current use related to travel by road in general:
automobiles avis bikes buses car-pooling car-rentals child-safety-seat driving driving-licenses greyhound i-80 marshrutkas motorcycles offroad ride-sharing road-signs rvs scooters taxis uber vignettes