people built simple trails and roads to make travel to frequently visited places easier
people invented shoes of various types to protect their feet and make it easier and safer to walk on certain surfaces
people began inventing various types of navigation devices to prevent getting lost
people domesticated animals and invented the equipment to use them for transport (e.g. saddle, chariot, wagons, carriages, sleighs, stagecoaches, omnibus)
people invented various machines and the infrastructure needed to use them for transportation (e.g. trains, cable cars, subways, automobiles, trucks, busses)