Mode of transport carries its own motor. As of 2002, there were 591 million automobiles worldwide. Other users of roads include motorcars, motorcycles, buses, trucks, bicycles and pedestrians, and special provisions are sometimes made for each of these. For example, the use of bus lanes give priority for public transport, and cycle lanes provide special areas of road for bicycles to use. Motorcars offer high flexibility, but are deemed with high energy and area use, and the main source of noise and air pollution in cities; buses allow for more efficient travel at the cost of reduced flexibility. Road transport by truck is
Mode of transport satellites into orbit, and conduct scientific experiments. However, man has landed on the moon, and probes have been sent to all the planets of the Solar System. Unmanned aerial vehicle transport (drone transport) is currently being tested by Amazon.com and other transportation companies. This method will allow short-range small-parcel delivery in a short time frame. A transport mode is a combination of the following: Purpose of Transport : Freight & Passenger movement and mobility are core components of a transport system. Worldwide, the most widely used modes for passenger transport are the Automobile (16,000 bn passenger km), followed by Buses