(A) It shall be unlawful for any person to loiter in or upon any street, park, public place or in any public building or obstruct the access to any public building or any part thereof, or obstruct the passage of any person through any public street, park or public place.
(B) For the purpose of this section, the term "loiter" shall encompass but shall not necessarily be limited to, one or more of the following acts:
(1) Obstruction of the unhampered passage of pedestrians or vehicles.
(2) Obstructing, molesting or interfering with any person lawfully upon any street, park or other public place.
(3) Refusing to move when requested to do so by a peace officer, provided the peace officer has exercised his discretion reasonably under the circumstances in order to preserve or promote public peace and order.
('86 Code, § 14.318) Penalty, see § 130.99