Update: Check out the interactive version of this map at http://bikejibe.org!
Ever wonder which cycling routes through the city are the most popular? I gathered 2000+ Seattle area routes submitted by riders, and loaded them up in PostGIS. The image below is a screen capture from viewing the data in uDig.
Pretty incredible, no? There is no underlying street grid in the graphic. It’s all just people’s rides. I was amazed by how dense it is. Look at how the Burke Gilman and the I90 bridge trails are like a black line. Also you can see some people making crossings on the ferry.
Here’s a detail view — maybe you can guess where it is.
