Sustrans is a UK-based charity focused on promoting sustainable transport and encouraging walking and cycling. Founded in 1977, it aims to create a healthier environment by developing safe and accessible routes for pedestrians and cyclists. The organization works on various projects, including the National Cycle Network, which connects cities and rural areas through a network of paths. In addition to infrastructure development, Sustrans engages in community initiatives to raise awareness about the benefits of active travel. They collaborate with local governments, schools, and businesses to promote sustainable transport options, helping to reduce traffic congestion and improve air quality.