as far as bikes on the sidewalk goes the name is self explaining.
side WALK. imagine the carnage if a bike went down a sidewalk at 20 mph! come to think of it I have seen it happen in Venice Beach.

the consolidation of the states into one vast republic, sure to be aggressive abroad and despotic at home, will be the certain precursor of that ruin which has overwhelmed all those that have preceded. Robert E Lee
~Molɔ̀ːn Labé Skýla~