As the use of private vehicles to commute in Greater Jakarta remains the top option, more rail-based transportation might be the answer to worsening traffic. However, the development must be pushed, an official has said. Besides limiting the use of private vehicles through the odd-even license plate policy and electronic road pricing (ERP), railway transit is considered the future of urban transportation, Greater Jakarta Transportation Agency (BPTJ) head Bambang Prihartono said.    “Bus service is not a sustainable option; railway-based transportation is the answer,” he said in a recent discussion. Bambang explained that the best way to get people to shift to public transportation was by designing public transportation service that moved around people and the location of their activities, which in other words was accessible to everyone. He cited BPTJ dat...