a large motor vehicle carrying passengers by road, typically one serving the public on a fixed route and for a fare
bus
a powered flying vehicle with fixed wings
airplane
a four-wheeled road vehicle that is powered by an engine and is able to carry a small number of people
car
an underground electric railroad
subway
a small vessel propelled on water by oars, sails, or an engine
boat
a two-wheeled vehicle that is powered by a motor and has no pedals
motorcycle
walking rather than traveling by car or using other transport
on foot
a series of railroad cars moved as a unit by a locomotive or by integral motors
train
two-wheeled machine that is pedaled by the rider's feet
bicycle
a car with a driver who you pay to take you somewhere
taxi