No person shall walk upon, enter or drive any animal or vehicle upon any roadway or sidewalk which is guarded by any barrier, sign or signal lawfully so placed for the purpose of preventing or warning persons from entering into or upon the same.
No person shall remove, displace or in any manner interfere with any barrier, guardrail, sign, lantern or other object or form of warning which shall have been placed along or across any street or sidewalk or about any public place as a warning or safeguard or to prevent interference with or damage to work completed or being done in such places.