(A) It shall be unlawful to operate a vehicle in excess of the speeds listed below on the streets or portions of streets of the state highway system listed in each designated Traffic Schedule hereby made a part hereof.
(1) Twenty miles per hour, Schedule I.
(2) Twenty-five miles per hour, Schedule II.
(3) Thirty miles per hour, Schedule III.
(4) Forty miles per hour, Schedule IV.
(5) Forty-five miles per hour, Schedule V.
(6) Fifty miles per hour, Schedule VI.
(7) Fifty-five miles per hour, Schedule VII.
(B) It shall be unlawful to operate a vehicle in excess of the speeds listed below on the streets or portions of streets, not a part of the state highway system, listed in each designated schedule, hereby made a part hereof.
(1) Twenty miles per hour, Schedule VIII.
(2) Twenty-five miles per hour, Schedule IX.
(3) Thirty miles per hour, Schedule X.
(4) Forty miles per hour, Schedule XI.
(5) Forty-five miles per hour, Schedule XII.
(6) Fifty miles per hour, Schedule XIII.
(7) Fifty-five miles per hour, Schedule XIV.