Complex sentence: Emergency braking is somewhat risky, doesn't provide great passenger experience and there is risk of passenger injuries if braking occurs at high speed, and as a result usage of stop crane without strong reason is prohibited and may lead to fines.
Split into simpler sentences: Emergency braking is somewhat risky, doesn't provide great passenger experience and there is a risk of passenger injuries if braking occurs at high speed. As a result usage of stop crane without strong reason is prohibited and may lead to fines.