Nice Ride released their 2011 ridership data in January, and I’ve been itching to map it ever since. Flows (don’t call them fluxes) are a particularly interesting way to visualize the ridership over different route segments.
I used ArcGIS with Network Analyst on a heavily modified Open Streets Map metro shapefile to generate routes between the start and ending station of each Nice Ride rental. The Open Streets map file allowed me to include off-street trails (very important in Minneapolis), which weren’t included in my previous attempts. I set Network Analyst to prefer off-street trails, bike lanes and regular roads (in that order).
Other than being pretty, you can draw a few interesting conclusions from the flows:
- The most traversed segment, with over 16,000 trips, was the off-street trail through the Hennepin-Lyndale bottleneck (although likely some of this traffic went to the Cedar Lake Trail in real life). In my opinion, this is a horrible segment for bikes and peds and if we’re trying to attract visitors back to Minneapolis, we should do something about it.
- Other heavily-traveled areas are the Mississippi River bridges, downtown streets, and Uptown.
- Men and women take similar routes. I mapped both, but the flows looked very similar.
- People are using Nice Ride even in the middle of the night. They are sticking even more closely to the southwest-to-northeast spine common during the day.
- 30-day and Annual subscribers are getting into the neighborhoods more than casual subscribers (single day), pointing to the obvious conclusion that they are full-time residents who are using Nice Ride to go to and from homes more often.
- Since Saint Paul only had a partial year of service, it’s hard to draw many conclusions yet.
What else do you see?
Cross-posted at netdensity.net
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