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Show HN: NYC Subway Simulator and Route Designer

buildmytransit.nyc

31–35 of 35 posts

Re: Show HN: NYC Subway Simulator and Route Designer

#32
post #18

Earlier quoted context omitted.

Looks like a 2 or 3 mile walk from the nearest public transport stops that I can find. Maybe someone local can find a closer stop. Forest Ave/Goethals Rd North to Bayway Ave at Mckinley St. Edit: This could be a fun game - find the two spots with the greatest ratio of driving vs public transport. I think those two are pretty good candidates. Distance: 2.5 mile. Drive 9AM: 5-9 minutes, 11PM: 4-6 minutes. Public transp…

Another game: when is public transport slower than walking? According to Google Maps it's not in this case - I'm getting a walking time of 14:37 (!), where the "walk" includes a ferry from Weehawken to Manhattan and the Staten Island Ferry. However Google Maps doesn't seem to know you can walk across the Goethals bridge.

It's not the bridge, the starting point seems to be on a freeway or something, if you move the starting point slightly toward the bridge it will show proper walking directions.

Re: Show HN: NYC Subway Simulator and Route Designer

#33

Your default dwell times are wayyyyy too short. On high capacity systems, train dwell time becomes the limiting factor on passenger capacity. 30 seconds is generally the minimum possible dwell time a system can manage, 20 seconds might be possible during much lower demand periods. But you’re unlikely to ever achieve better than that. The London Victoria Line, which runs with 90 second headways at peak, achieves at be…

Several of those dwell components can be done in parallel. You don’t need a warning for opening the doors. The warning for closing the doors will overlap with people boarding. That being said 10s is too low as a default but it can easily be changed to a more reasonable 30s or more.

> You don’t need a warning for opening the doors.

Seems like the Swiss railway didn't get your message because there is acoustic warning on open nd on close.

Re: Show HN: NYC Subway Simulator and Route Designer

#34

Earlier quoted context omitted.

Several of those dwell components can be done in parallel. You don’t need a warning for opening the doors. The warning for closing the doors will overlap with people boarding. That being said 10s is too low as a default but it can easily be changed to a more reasonable 30s or more.

> You don’t need a warning for opening the doors. Seems like the Swiss railway didn't get your message because there is acoustic warning on open nd on close.

There are door opening warning in the Philadelphia subways and metros (PATCO) as well. It makes sense if the train is crowded and a rider is smushed up against the opening door.

Re: Show HN: NYC Subway Simulator and Route Designer

#35
This is awesome—a sandbox for transit nerds lol my husband will love this. The dwell time + simulation rate sliders are super fun, can do a lot with congestion indicators or bottleneck flags when trains start stacking up or something... fun to stress test bad routing decisions.
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