I have to pay the bus company to ride the bus, it doesn't seem insane that the bus company may want to charge me money if I asked them for a full, comprehensive, organized list of stops and schedules.
Sure, there are reasons for why they would want to make it available for free, but there are also reasons for why they would want to charge me, and they aren't unreasonable. I don't have any fundamental, natural right to a transportation network curating and providing their data for my consumption. It might not care enough about my needs to spend money do so. It might not care enough about my needs to spend money to do so for free.