From a quick survey of architects, designers, and accessibility users / disabled persons (including one property developer) — here are the most common oversights shared: 1. Ramp Design & Gradient Many underestimate the space needed for a proper 1:12 ratio ramp (including landings). Steeper ramps are common, but tiring and unsafe for wheelchair users — arms fatigue quickly, and there’s real risk of sliding backward. 2. Level Access & Gentle Transitions Raising lobbies or add