I read the thread last week about autos and bikes sharing the road and found
a site that had factual information. If you are interested a few links a

http://www.velonews.com/news/fea/9893.0.html

http://www.velonews.com/news/fea/9826.0.html

http://www.velonews.com/news/fea/9772.0.html