Final answer:
The minimum size required for landings on ramps must be compliant with accessibility and safety standards, typically at least 5 feet by 5 feet, although the exact dimensions should be verified with relevant building codes and standards such as the ADA.
Step-by-step explanation:
The student's question is about the minimum size required for landings at various points on ramps. A landing is a flat area at the top and bottom of a ramp, where doors open onto the ramp, and where ramps change direction. The dimensions of the landing serve an important purpose in ensuring accessibility and safety for users, including people with disabilities.
Although the information provided does not contain a direct answer to the minimum foot-by-foot dimensions required, it's important to relate the question to the guidelines such as the Americans with Disabilities Act (ADA) Standards for Accessible Design or local building codes. These standards typically specify the minimum dimensions for landings on ramps. For example, the ADA Standards generally require a landing to be at least 60 inches (5 feet) wide and 60 inches (5 feet) long.
The procedure from the reference information implies measurements and adjustments to ensure that a ramp has no obstacles and to mark distances. The reference to a 10.0 s solution for a freeway on-ramp suggests evaluating the adequacy of ramp design for specific use cases, such as the safe and efficient merge onto a highway.