two three wheel motorcycles with luggage follow camper van on four lane highway toward stormy mountains

asphalt automobile bike biker camper chopper colorado cycle driving follow four fuel gas helmets highway lane lifestyle logistic luggage machine mode motorbike motorcycle motorcycles motorized mountain mountains nature outdoor outdoors pavement ride riding road roadway rocky route safety skies speed storm stormy street three threewheel threewheeled tourism toward traffic trailer transport transportation travel tricycle trike truck two van vehicle wheel wheeler