The best I can find out is an estimate of 880,000 to 1.2 million bikes were in the DC area. The “Million Muslim” deal drew a overwhelming throng of about 25.
Bikers-
http://www.nbcwashington.com/news/local/Two-Million-Bikers-Roar-Into-DC-for-911-223271211.html
Not much on any MSM outlet
Videos of Fox News Coverage on bikers:
“Two Million Bikers” Event Descends On DC To Honor 911 Victims - America Live
http://www.youtube.com/watch?v=OS5Q5gOePtI
2 Million Bikers Hold 9/11 Rally in DC - Bob Beckel - Greg Gutfeld - ‘The Five’ - 9/11/13
http://www.youtube.com/watch?v=c2H5CsJB9M8
9/11 Bikers Denied Permit for D.C. Ride - Belinda Bee - Fox & Friends - 9/11/13
http://www.youtube.com/watch?v=sg-8vnjqLVA
Hey HLB! You have to keep your hair up in a cute little bun or something under your hard hat to keep from snagging it on branches?
Welcome to FR!