(A) While under contract with the city, it shall be lawful for any contractor engaged in the construction or repair of any street, alley, or other public way within the city to block the street, alley, or other public way and to place thereon proper signs and signals for the purpose of showing that the street, alley, or other public way is closed to travel during the time as the proper performance of his or her work shall require.
(B) It shall be unlawful for any person to tear down or otherwise remove any sign or signal or to drive any animal or vehicle over any street, alley, or other public way after it has been properly blocked.
(1993 Code, § 31.21) Penalty, see § 93.99