[Update: Looking for more parking policy information? Try Reinventing Parking. ] I asked the sustran-discuss list for responses to my post on park-and-ride being a bad idea . In response to the discussion so far, I tried to clarify some of my points. Here is an edited version. 1. My objection to park-and-ride is strongest when such facilities are within the dense urban fabric (such as 'inner city' areas). It is in these dense areas that the opportunity cost of space is highest. Most of the other uses of station-vicinity space will do much more to build public transport ridership than P&R. Many mass transit systems in developing Asia are, for now, limited to these dense/mixed-use areas. In most cases, they don't yet extend out into the newest 'suburban areas'. P&R seems least defensible in these high-density locations with high property prices. Yet it is still being implemented in various dense urban localities in Asia. The photos of Bangkok...