What should be provided when it is not possible to maintain proper pathway width?

When it is not possible to maintain proper pathway width, providing a 60"x60" passing area for wheelchairs every 200 feet is essential for ensuring safe and accessible navigation for individuals with mobility challenges. This width offers enough room for wheelchair users to maneuver comfortably, allowing them to pass each other and avoid potential obstructions within the pathway.

The specified distance of 200 feet provides a manageable interval for these passing areas, ensuring that they are adequately spaced and accessible. This approach complies with accessibility standards and regulations, which prioritize the safety and mobility of all individuals navigating through potentially narrow pathways.

The other options may not align with the required dimensions or spacing for wheelchair accessibility, which is crucial when designing pathways intended for multi-modal use. Providing narrower or less frequent passing areas could hinder mobility for wheelchair users and create safety concerns.