A No Sidewalk label should be placed if there is a missing sidewalk where there should be one.

Where and how should I place a No Sidewalk label?

建議您從人行道結束的地方開始設置「無人行道」標籤，並於每幾公尺持續設置標籤，一直到人行道再次出現處。。

You should not place No Sidewalk labels in narrow side streets or alleys.

Do I place a No Sidewalk label on a median?

You should not place No Sidewalk labels on a median that separates the two directions of traffic, unless the median has a sidewalk that abruptly ends.