All permits granted pursuant to the provisions of this chapter shall be subject to the right of the city, and any person or persons entitled thereto, to use any part of a public right-of-way for any purpose for which it may be lawfully used, and no part of a right-of-way may be unduly obstructed at any time.
('66 Code, § 7-2.203) (Ord. 41-C-S, passed 2-7-68)