To limit the probability that landings will have insufficient dimensions to allow users to access the landing, pause, pass other users, or turn without an awkward change in gait, which could lead to:
This is to limit the probability of harm to persons.
To limit the required length of landings, where longer landings would not significantly reduce the risk of injury, and where:
This is to limit the probability that landings will have insufficient dimensions to allow users to access the landing, pause, pass other users, or turn without an awkward change in gait, which could lead to:
This is to limit the probability of harm to persons.