On the urban planning news website Planetizen, Diana DeRubertis recently noted that trails in her neighborhood weren't getting enough use because they seemed isolated, and as a result, unsafe for users on the trail alone. Despite the reality that trails are no more dangerous than their surrounding areas, this misperception is a serious issue that discourages trail use. First, the hard numbers: In Rails-to-Trails Conservancy's survey of crime on rail-trails , results show that the real issue is one...