London makes this information available, allowing the sort of visualisation you suggest [1]. As you say, it's interesting but not that practical from a commuter

London makes this information available, allowing the sort of visualisation you suggest [1]. As you say, it's interesting but not that practical from a commuter's perspective. [1] http://traintimes.org.uk/map/tube/ http://traintimes.org.uk/map/tube/