These guidelines offer direction and define goals to facilitate the design and development of a San Francisco Bay Trail system that is safe, connected and continuous; provides a positive user experience that encourages people to use the trail; and maximizes access to and use by the broadest spectrum of people possible.
Published June 01, 2016
The best answer that you will get for how wide a trail should be is “It depends.”
Survey of skills and competencies to assist in developing a national training strategy for National Scenic and Historic Trails
Trailshaping is a system of understanding in which simple, everyday forces shape (generate) the big picture, details, and nuances of all trails and all trail types, as well as context-specific trail planning, design, construction, maintenance, and management.
One of the most difficult trail facilities to accomplish is a crossing of an active rail line.