 In 2011, the Lewisville Park Board proposed a new master plan for the city's parks and recreation facilities.It specifies a major overhaul of the city's trail system, including of off-street trails, of enhanced sidewalks, of bicycle routes, a paddling trail down the Elm Fork of the Trinity River, and 31 major and minor trailheads throughout the area, many of which would connect to other trail networks.The plan includes numerous crossings of Interstate 35E for pedestrian and bicyclist safety.