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Holding method implementation notes
These are some items that we have come across while implementing the Dispatch method on the Atlanta Streetcar, the Georgia Tech Trolley and VIA Route 100.
Max distance from segment is something that should vary for each segment. I have added a additional optional parameter to the GTFS stop_times.txt file so you can set this value for each stop path.
Max speed is also something that should vary for each segment. Route 100 has different characteristics at either end as compared to the middle section which is motorway. I have added an optional field to stop_times.txt so you can set what you should consider as the max speed from the current location.
Need something to look at headway on the whole route to quantify how long it takes a holding method to recover even headway's after a shock.
Graph of stopPathIndex against arrival / depature times for a vehicle on a route shows up problems with arrivals and departures. This would be an nice graph to add to UI for diagnostics.