When signs are erected, placed or installed within each block giving notice thereof, no person shall park a vehicle within or upon any of the streets or places hereinafter set forth between the hours of 7:00 a.m. and 8:30 a.m. and between 3:00 p.m. and 4:30 p.m., Saturdays, Sundays and other days school is not in session excepted:

     Rogers Street, south side, between Circus and Eighth Streets.

(Code 1964, § 12.618)