(1) Every driver of a vehicle or animal shall drive it in conformity with any indication given by a mandatory traffic sign and in conformity with the driving regulations set forth in the Second Schedule and shall comply with all directions given to him by any police officer for the time being engaged in the regulation of traffic in any public place.
(2) In this section “mandatory traffic sign” means a traffic sign included in Part A of the First Schedule or any traffic sign of similar form (that is to say consisting of or including a circular disc) displaying a device, word or figure and having a red ground or border or any prescribed sign painted or marked on the road or erected or displayed for the purpose of regulating traffic other than motor vehicle traffic under sub-section (1) of section 4.