Miscellaneous rule-making powers regarding motor traffic

(i) the issue or the authorization of the issue of permits in respect of motor vehicles or any specified class of motor vehicles, for their use in all, or any public places in the district ; (iii) the restriction of the number of motor vehicles or of any specified class of motor vehicles to which permits may be issued in respect of such areas, routes or public places. (i) its powers and functions in regard to motor traffic extending over the jurisdiction of two or more of the transport authorities referred to in clause (b), and the exercise of the powers and functions of, and the control to be exercised over, such authorities in respect of such traffic ;