Sidewalk
Footpath, Pavement
noun
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.
歩道を歩く
to walk on the sidewalk
歩道をわたる
to cross the sidewalk
歩道を走る
to run on the sidewalk
あの歩道はとてもせまい。
That sidewalk is very narrow.
歩道は歩くための道なので、サイクリングはできません。
Sidewalks are for walking, so you shouldn't cycle there.
歩道にそって、桜の木がズラリと並んでいて、とても美しいです。
There are cherry blossom trees all along this sidewalk. How beautiful!