more stuff

http://www.citizenreviewonline.org/2010/Dec/trails_boost_crime.html
http://www.brucefreemanrailtrail.org/trail_plans/rail_trail_studies.html
http://habpi.org/trail_benefits_article.pdf
http://www.bicyclinginfo.org/library/details.cfm?id=2453
http://www.bicyclinginfo.org/search/more_results.cfm?searchbox=trail%20crime&source=pub
http://ridethisbike.com/2007/02/7-bike-trail-benefits.html