Want to bike across the United States from east to west or west to east? Now, you can with the aid of the Great American Rail-Trail, a pathway that stretches 3,700 miles (6,000 km) across 12 states that will serve bikers, hikers, and riders.

First and foremost, detectable warning tiles and surfaces were designed to assist individuals with disabilities to safely navigate public spaces, and then, in 1991, the Americans with Disabilities Act (ADA) mandated the use of detectable warning tiles in public areas throughout the United States.

A wheelchair can mean the ticket to independence for some individuals, but the regular built environment is rarely arranged in a way that is easily navigable by individuals using wheelchairs. Beyond the built environment, social interactions can cause an extra strain on those who rely on wheelchairs as their primary mode of mobility. These social and infrastructural barriers impede the lives of wheelchair users every day.