Sidewalk
Footpath, Pavement
noun
The road you walk on is the sidewalk... at least I hope that's where you walk.
ほどう
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.
どうして自てん車が歩道を走ってはいけないんですか？
Why can’t bicycles travel on sidewalks?
まもなくうごく歩道がおわりますので、足元にごちゅういください。
You are approaching the end of the moving walkway. Please watch your step.
自転車は、忙しい車道じゃなく、歩道を走るべきだ。
Bicycles should be ridden on sidewalks, not on busy city streets.