Live data from Hacker News

Show HN: I visualized the entire history of Citi Bike in the browser

bikemap.nyc

11–20 of 34 posts

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#11

I've seen many visualizations of the citibike data over the years, this is one of the most charismatic for sure!

+1 to this comment! I used to work in this space and have similarly seen many projects and professional attempts at visualizing this kind of trip data.

This is beautifully done!

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#13
post #11

I've seen many visualizations of the citibike data over the years, this is one of the most charismatic for sure!

+1 to this comment! I used to work in this space and have similarly seen many projects and professional attempts at visualizing this kind of trip data. This is beautifully done!

Thank you so much! That means a lot.

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#14

It's often interesting to observe the different ways that privacy is approached in the US and Europe. In Europe we often accept pretty grave restrictions of our liberty like the UK's Online Safety Act, which would never fly in the US, and we do so without much public comment. On the other side of things, organisations in the US happily expose datasets like this one, which would give a most EU Data Protection Officers…

In Lyft's defense, they are providing it anonymized under the NYCBS Data Use Policy. They also aren't providing the exact GPS routes, which is why OSRM is used to calculate the shortest path instead.

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#15
Relevant callout from https://bikemap.nyc/about:

* Limitations *

The data only contains the start and end station for each trip, but does not contain the full path. Route geometries are computed for each (start station, end station) pair using the shortest path from OSRM.

This means that the computed routes are directionally correct but inexact. Trips that start and end at the same station are filtered out since the route geometry is ambiguous.

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#16
non corrupted github link: https://github.com/freeman-jiang/bikemap.nyc

Cool visualization.

Do you find the OSRM shortest path routes probable for bikes? Not living in NYC, I expected pretty different paths. Say the "Hudson River Greenway" or whatever that's called.

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#17

Interesting that citibike publishes trip level data. The bike share schemes in Dublin only publish station counts or free bike locations. So you can see the overall pattern of bike motion, but there’s no way to see how many north side trips go to the docks vs Heuston station vs the city center.

All of the Lyft-operated systems in America publish this kind of data at least monthly.

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#18

It's often interesting to observe the different ways that privacy is approached in the US and Europe. In Europe we often accept pretty grave restrictions of our liberty like the UK's Online Safety Act, which would never fly in the US, and we do so without much public comment. On the other side of things, organisations in the US happily expose datasets like this one, which would give a most EU Data Protection Officers…

I don't see anything problematic about start-end pairs from one public facility to another.

Re: Show HN: I visualized the entire history of Citi Bike in the browser

#19
I really wish Lyft invested in maintenance. I used Citibike this week for the first time in about a year, and the Hudson River Greenway dock by NY Waterway had 1/3 of its empty docks broken with flashing red lights, then about 5 ebikes that needed service.
Post reply on HN