 Hydration is one of the pillars of treatment and prevention for all heat-related illness. Dick Iuliano, WTOP News. There is a push to improve safety along the Appalachian Trail in Loudoun County. Virginia Democratic Senator Tim Kaine met with advocates to discuss safety concerns at three area highway crossings near Hillsboro, Bluemont, and Paris. Advocates believe the best way to address concerns is to build elevated crossings.