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
A Portrait of the Artist as a Young Man was released in 1977. It features Bosco Hogan as Stephen Dedalus and T. P. McKenna as Simon Dedalus. John Gielgud plays Father Arnall, the priest whose lengthy sermon on Hell terrifies the teenage Stephen. The first stage version was produced by Léonie Scott-Matthews at Pentameters Theatre in 2012 using an adaptation by Tom Neill. Hugh Leonard's stage work "Stephen D" is an adaptation of "A Portrait of the Artist as a Young Man" and "Stephen Hero". It was first produced at the Gate Theatre during the Dublin Theatre Festival of 1962. As of 2017 computer scientists and literature scholars at