Nothing contained herein or omitted herefrom shall be construed or held to relieve any person using or traveling or being upon any street, for any purpose whatever, from exercising all reasonable care to avoid or prevent injury through collision with all other persons and vehicles. City Code, 1927, art. 4, §57 1950, art. 38, §80 1966, art. 31, §96 1976/83, art. 31, §72 Ord. 08-139