Running number data (when enabled) is supplied by authorised application users and is reset daily at 04:30 AM. Learn more
Currently, there is running number data for 6 routes: 140, 203, 243, 370, SL2, and U4.
System developed by Dan Plumb.
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v2.23
Site last updated: 15th Sep 2025 23:34
Vehicle location data provided by Transport for London.