Rules
Part of Getting rail trail travel right the first time
4 lessons on accessible rail trail travel
How to judge whether a rail trail works for you: grade, cross slope, surface firmness, barriers at entrances, and the trail data worth asking for.
The word accessible, on its own, tells a traveler nothing. Two trails can both use it and deliver completely different days. What helps is a short list of measurable attributes, asked for in plain terms, from the agency that manages the corridor.
What to take away
- Ask for numbers and materials, not for a label. Grade, cross slope and surface firmness are the attributes that decide the trip.
- Federal design guidance expects new shared use paths to be built for access, and expects entrance signs to carry objective trail information.
- Recreation trails are held to a different standard than transportation paths, so the same word can mean two different things.
- Barriers placed at trail entrances are a common and avoidable obstacle. Ask what is installed before you arrive.
Ask about four attributes, not one label
Federal best practice treats shared use path design as part of the transportation network. It expects newly constructed paths to provide access for people with disabilities.
It recommends posting objective information at path entrances so users can judge a route before committing.
The four attributes worth asking about are:
Four attributes to ask about
- Running grade and steepest section location
- Cross slope affecting steering and wheelchair tracking
- Surface material and firmness
- Obstructions at entrances, gates, crossings
- Grade.The running slope, capped at 8.33 percent (1:12) under the federal outdoor developed areas standards. Segments steeper than 5 percent (1:20) call for resting intervals.
- Cross slope.The side to side tilt across the path, capped at 2.08 percent (1:48). A flat path can still tilt enough to push a wheelchair sideways.
- Surface firmness.Firm and stable is the standard, not paved. Asphalt, concrete and compacted crushed aggregate qualify; loose gravel and soft soil do not.
- Entrance barriers.What is installed at each access point, and how wide the opening is. Federal trail standards set a 36 inch minimum tread width.
Finding the right office comes first, because every answer depends on the contact. Take the trail name from a trailhead sign, then search the state park or trail directory for the corridor owner.
Rail corridors are often state owned and run by a city, a county or a friends group. Ask who holds the maintenance agreement.
Recreation trails are judged differently
A recreation trail exists to deliver an experience rather than to move people between destinations, and design practice reflects that. The aim is that users with disabilities get access to the same range of trail experiences available to everyone else.
Transportation vs recreation trails
Transportation path
- Purpose
- Move people
- Grade
- Standard limits
- Cross slope
- Standard limits
- Surface
- Asphalt, concrete, aggregate
- Barriers
- Standard limits
- Information
- Posted at entrances
Recreation trail
- Purpose
- Deliver experience
- Grade
- Held down
- Cross slope
- Held down
- Surface
- Avoid soft or unstable
- Barriers
- Held down
- Information
- Multiple formats
That means holding down grade, cross slope and barriers, avoiding soft or unstable surfaces, and publishing trail information in more than one format. Trails built for a single specific use, such as horseback riding or off-highway vehicles, are treated differently again.
The federal accessibility guidance for trail projects also makes a point worth carrying: older design reports are dated. If an agency quotes you a 1999 document, ask what it uses now.
The US Access Board publishes both current documents. One is the Architectural Barriers Act Accessibility Standards for Outdoor Developed Areas, issued in 2013. The other is the ADA Accessibility Guidelines for Pedestrian Facilities in the Public Right-of-Way, known as PROWAG, issued in 2023.
Entrances are where trips end early
Bollards, gates and other barriers are installed to keep motor vehicles off a path, and they routinely block the people the path was built for. A cluster of posts that admits a bicycle may not admit a handcycle, a trailer or a tricycle.
- Bollards.Posts set across the entrance, where the gap between them decides who passes. The federal minimum tread width is 36 inches.
- Chicanes.Staggered posts or fencing that force a turn. They block cars, and they also block recumbent trikes, tandems and trailers.
- Gates.Latches, springs and squeeze gaps. A gate that needs a grip and a twist blocks riders who cannot dismount, and a clear opening under 32 inches blocks most wheelchair users.
This is worth a specific question, because the answer is rarely on a map. Riders who want the full picture on this should read what first-time visitors miss about rail trail travel, which covers barriers and crossings together.
A short pre-trip script
- Ask the trail manager for surface type by section, not for the whole trail.
- Ask for the steepest grade and where it is.
- Ask what is installed at each entrance and road crossing.
- Ask whether accessible parking and restrooms exist at the trailheads you plan to use.
- Ask when the information was last checked.
The wider planning sequence is in the rail trail travel starting point, which puts access questions at the beginning rather than the end.
