Why can’t bicycles travel on sidewalks?
You are approaching the end of the moving walkway. Please watch your step.
Bicycles should be ridden on sidewalks, not on busy city streets.
The road you walk on is the sidewalk... at least I hope that's where you walk.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.