Detailed map of bumps from Bump
blog.bu.mp
blog.bu.mp
[1] https://webtide.wordpress.com/2007/09/13/adding-google-maps-...
I wrote a script that grabbed it and stitched the grabs together into a visualization of their traffic over a month or two. Never got around to publishing it anywhere though.
I can probably find it if there's interest.
I have substantial OpenLayers and GeoServer/WMS experience.
OP: if you're interested in an interactive navigable map to show this information (perhaps updated dynamically), let me know.