
π Railways & Public Transport Β· Sankey
How a city's daily public transport trips split across modes and transfers, to see where integration matters most.
Drawing diagramβ¦
Sankey of daily public transport trips in thousands: 1,200 bus, 800 metro, 400 suburban rail. Of metro trips, 300 start with a bus feeder, 200 with an auto, and 300 by walking. Of suburban rail trips, 150 transfer to metro and 250 to bus or walking.
sankey-beta Daily trips,Bus only,1200 Daily trips,Metro,800 Daily trips,Suburban rail,400 Metro,Bus feeder first,300 Metro,Auto first,200 Metro,Walk first,300 Suburban rail,Transfer to metro,150 Suburban rail,Bus or walk after,250
A railway reservation system in the style of IRCTC: seat inventory per train and class, waitlists, Tatkal quota, payments and e-tickets.
The states of a train ticket from booking to journey, including RAC and waitlist confirmation and cancellation.
How a metro fare is charged with a smart card or bank card: tap in at the entry gate, tap out at the exit, fare by distance and balance update.
How a city bus app shows live bus positions and arrival times: GPS devices on buses, a prediction model and updates to apps and stop displays.
How a modern railway signalling network is connected: interlocking at stations, track circuits, train control radio and the central traffic control centre.
A journey planner that combines metro, bus, suburban train and last-mile options into one trip plan with a single ticket.