Have you tried using different colours to make it easier to distinguish inbound and outbound, like this? http://www.opentrack.ch/opentrack/downloads/otTrainGrap

Have you tried using different colours to make it easier to distinguish inbound and outbound, like this? http://www.opentrack.ch/opentrack/downloads/otTrainGraph.pdf http://www.opentrack.ch/opentrack/downloads/otTrainGraph.pdf I suppose you could even set the colour dynamically along the track, and set the hue based on how late the train is.