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.