PLANNING a transportation system in Jakarta is like untangling a knotted thread. The 10-percent annual growth in motor vehicles is almost twice the increase in the length of roads. Suburban cities such as Depok, Bogor, Tangerang and Bekasi (together with Jakarta these are all referred to as Jabodetabek) are almost all in the same condition. In the mornings, 2 million commuters descend on Jakarta to work. And in the evenings, they must all travel