This reminds me of Google's public transport routing algorithm. https://research.googleblog.com/2016/03/an-update-on-fast-transit-routing-with.html https://res

This reminds me of Google's public transport routing algorithm. https://research.googleblog.com/2016/03/an-update-on-fast-transit-routing-with.html https://research.googleblog.com/2016/03/an-update-on-fast-tr...