I created a real time map for Boston: http://bostontraintrack.com http://bostontraintrack.com . It uses live data but it doesn't interpolate position. It upda

I created a real time map for Boston: http://bostontraintrack.com http://bostontraintrack.com . It uses live data but it doesn't interpolate position. It updates about every 15-20s or so. Source is available (and FOSS) [1]. [1] https://github.com/abetusk/bostontraintrack https://github.com/abetusk/bostontraintrack