What’s impressive, and most potentially useful about Cyclodeo, is that each section of the video is geocoded to match the map. That red line is a bike path. Click anywhere on the line to see the frame of the video that corresponds to what that exact part of the path looks like. The site also calculates the distance of that ride and the average speed. It adds up to a pretty solid picture of what a bike trip will be like, all available before you leave the house.
The blog posting on the Cyclodeo can be found here and to go directly to Cyclodeo click here.