Construction of exits

(1) Every entrance and exit door shall be capable of being opened by one operation of the locking mechanism: Provided that for the purpose of securing the omnibus when unattended it shall be permissible to fit to any entrance or exit door a supplementary lock with or without a detachable actuating mechanism if such lock is so designed and constructed Motor Vehicles and Road Traffic [CAP. 230 111 that the door can at all times be opened by a person inside the omnibus by one operation of the ordinary locking mechanism. (2) Door handles or levers to door catches shall be so designed and fitted that they are not liable to be dislodged or to be operated accidentally. (3) A grab handle shall be fitted to each entrance or exit other than an emergency exit to assist passengers in boarding or alighting from the omnibus. (4) All doors (including those of emergency exits) shall be so designed as to be readily opened in case of need from both the inside and the outside of the omnibus. (5) All doors shall open so as not to obstruct clear access to any entrance or exit from inside or from outside the omnibus.