A road trip may be the classic way to traverse the United States, but cyclists will eventually be able to make the cross-country bike trip a reality on a newly created trail system. Once it is completed, the Great American Rail-Trail will connect more than 3,700 miles of repurposed train routes and multi-use trails—all separate from vehicle traffic—across 12 states from Washington, D.C., to Washington State. Here’s everything we know about it so far. Where Will the Route Go? In May 2019, the Rails-to-Trails Conservancy (RTC) revealed the route that will connect 125 existing trails with another 90 “trail gaps,”...