What the heck is this? This is basically just "it's now also illegal to be on foot in the street, in addition to how unsafe it already is".
FYI, the PDF of the proposed ordinance is pretty short -- the meat is on pages 2 to 3.
Pedestrian Safety Ordinance
The City of Columbia is seeking community input on a proposed Pedestrian Safety Ordinance related to activity in certain roadway environments. The ordinance was developed following a Street and Intersection Pedestrian Safety Study, which examined local crash data,
City of Columbia, MO (beheard.como.gov)
They should ONLY do this if there's already a robust pedestrian street grid infrastructure that makes it convenient to get around on foot, and there definitely isn't!