Pick a start point and see subway travel times to everywhere else in NYC. Just click the map or enter an address. Staten Island Railway included; ferries, buses and bikes are not.
We divided NYC into 2,930 hexagons and calculated the time it would take to travel by subway and walking from the center of each hexagon to every other using OpenTripPlanner and the MTA's subway schedule data. We simulated each trip as starting at 9 a.m. on a weekday.
The 4,290,985 calculations took four extra-large Amazon Elastic Compute Cloud instances just under a week to complete.
We generated the hexagon grid in the open-source mapping program Quantum GIS using the MMQGIS plug-in. Here's that grid as a shapefile and as TopoJSON. And here's the 33MB zip file with each hexagon's data as json.
https://project.wnyc.org/transit-time/
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Steven Melendez, John Keefe and Louise Ma / WNYC Data News Team. Follow us @datanews, email us here.
Inspired by the excellent Triptrop map by Jonathan Soma, and rebuilt with his permission and support.
Built with Mapbox, OpenStreetMap and Leaflet. Geocoding courtesy of MapQuest
The WNYC Data News Team is part of a public radio station supported by audience contributions. If you like what you see, consider supporting our work.
Pick a start point and see subway travel times to everywhere else in NYC. Just click the map or enter an address. Staten Island Railway included; ferries, buses and bikes are not.