12 Scope of the By-law Prohibiting Sounding of the Whistle: 5. (1) All public crossings located within the boundaries of a So city or town (s.l-b.) 1) or 44) should be included {n the } proposed by-law prohibiting sounding of the whistle (or ringing of the bell). (2) However, the public crossings to be included in the proposed by-law of any other municipality declared to be an "urban municipality” (s.1.b.) ifi) are in the Committee's discretion, Whistle Conditional Approval of the By-law Prohibiting Sound of the 6. If the by-layv is approved, the authorizing order may be made conditional the fulfilment by urban municipal authorities of a commitment to: (1) Erect and maintain signs at the approaches of all roads providing ingress to their municipality, warning the — public that such locality has banned the use of the engine whistle at all of the crossings within the limits of the municipality; end (2) Erect and maintain signs in advance of all crossings covered by the by-law warning that trains approaching such crossing will not be sounding engine whistles. By-law Prohibiting the Use of the Engine Bell 7. An application for the ban of the engine bell will not normally be allowed where this warning device is primarily intended for the protection of pedestrians.