No vehicle shall stop in a position so as to interfere with, obstruct, hinder or impede other traffic. No vehicle shall stop at any intersection so that any part of such vehicle shall extend beyond the building line or crosswalk. No vehicle shall stop crosswise in any street; provided, however, that vehicles stopping on police signal, or in case of accident or other emergency shall be excluded from the provisions of this section.
(1968 Code §15-55)