Professional analysis of the

I found the age group, number of lanes and time of day break downs very interesting:
<a href="http://www.tfhrc.gov/safety/pedbike/ctanbike/24.pdf">http://www.tfhrc.gov/safety/pedbike/ctanbike/24.pdf</a>;
<a href="http://www.tfhrc.gov/safety/pedbike/ctanbike/24b.pdf">http://www.tfhrc.gov/safety/pedbike/ctanbike/24b.pdf</a>;