TRAFFIC congestion on Jalan Asia Afrika in South Jakarta is a common sight during morning and evening rush hours. Cars and motorcycles heading toward Pejompongan in West Jakarta are obstructed by concrete columns planted on one side of the road. The columns, three meters high, are remnants of an abandoned monorail project. “These columns are to blame for the traffic snarls in this part of the road,” said one motorcyclist named Suhardono as he