Even if you don't demand profitability, there still needs to be cost/benefit analysis done. Do you build one rail line or two? Do you build one bus route or tw

Even if you don't demand profitability, there still needs to be cost/benefit analysis done. Do you build one rail line or two? Do you build one bus route or two? Do you expand a road or build a new one? Making it a train vs car or rail vs road obscures the problem AND the solution.