92 A SUMMARY OFACCESSIBILITY STANDARDS FOR OUTDOOR DEVELOPEDAREAS accessibility standards for Federal outdoor developed areas Key Differences Between Routes Determining the type of route required is often a challenging exercise. The following descriptions and review of the technical requirements for each type of route provides a quick reference to aid with this process. Accessible Routes—An accessible route is a continuous, unobstructed path that connects all accessible elements and spaces of a building or facility. Interior accessible routes may include corridors, floors, ramps, elevators, lifts, and clear floor space at fixtures. Exterior accessible routes may include accessible parking space access aisles, curb ramps, crosswalks at vehicular ways, walks, ramps, and platform lifts. Pedestrian Access Routes—A pedestrian access route, often called a sidewalk, is located in a public right-of-way and typically is parallel to a roadway. Consequently, sidewalk grades (running slopes) must generally be consistent with roadway grades so that they fit into the right-of-way. Sidewalks are designed for pedestrian transportation and are not designed for bicycles or other recreational purposes. Pedestrian Trails—A trail typically is not parallel to a roadway and is designed primarily for recreational purposes. Trails are not necessarily part of an infrastructure connecting elements or facilities, but typically are designed to provide a recreational experience. Trails may also be used by multiple types of users, but most are not designed for bicycles, nor do they have a transportation purpose.
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