Tons of sidewalks in Tokyo are marked for mixed use. You'll see these round blue signs showing both a bicycle and pedestrian https://i.imgur.com/OzShuC8.jpg ht

Tons of sidewalks in Tokyo are marked for mixed use. You'll see these round blue signs showing both a bicycle and pedestrian https://i.imgur.com/OzShuC8.jpg https://i.imgur.com/OzShuC8.jpg I wouldn't generally call Tokyo a bike friendly city but they do have bike parking lots and more and more bike lanes are being added.