They differ from the main trunkline highway system in that they are not meant to be major through routes, but lightly traveled local access,[1] and are to meet minimum standards for natural features.

[1] The Wisconsin State Legislature established the program to help preserve lightly traveled scenic rural roads.

[6] The maximum speed limit established by law is 45 miles per hour (72 km/h), but can be set lower by a local government if desired.

[6] They can be one- or two-way and can have accommodations for bicycles and hiking adjacent to or incorporated into the road or surrounding area.

[1] The effort to identify rustic roads began in order to help local government and citizens preserve Wisconsin's scenic routes.