over the signs should be fitted with red reflecting lenses. Symbols on warning signs should be capable of being outlined with reflecting lenses and modifications are recommended to this end.
Standard specifications should cover points of design and construction affecting illumination efficiency, including the optical properties of reflecting lenses for use in traffic signs. (Paragraphs 24, 25 and 26.)
(13) Control of Advertising—Highway authorities should be given greater powers of control over advertising signs which might confuse drivers or distract their attention. In particular, the use of reflecting materials in advertising signs should be prohibited. (Paragraph 27.)
(14) Bollards on Street Refuges—Maximum dimensions are recommended for bollards on street refuges. (Paragraph 28.)
(15) Lighting of Road Excavations and Obstructions—The method of marking and lighting road excavations and obstructions should be uniform over the whole country. (Paragraph 29.)
(16) Traffic on Dual Carriageways—The direction of travel on the separate carriageways of dual carriageway roads should be controlled by Regulations. (Paragraph 30.)
(17) Temporary Alternating One-Way Traffic—Highway authorities should be given powers to require the use, where necessary, of authorised signs for the control of one-way traffic past temporary obstructions. (Paragraph 31.)
(18) Supply of Signs by Approved Organisations.—The supply of traffic signs by approved organisations should continue to be permitted. (Paragraph 33.)
(19) Temporary Direction Signs provided by Approved Organisations—The erection of temporary direction signs supplied by approved organisations should continue to be allowed. (Paragraph 35.)
(20) Bend Signs—When opportunity occurs to modify this country’s commitments under the Paris 1926 Convention, the agreed International symbol at present used on “bend” and “double bend” signs should be replaced by symbols indicating the direction of the bends. (Paragraphs 13 and 41.)
(21) Fords.—It should be made obligatory on authorities or persons responsible for the maintenance of public roads to provide and maintain depth gauges at fords. (Paragraph 59.)
(22) General Principles governing Design of Warning Signs.—
(a) Warning signs should be surmounted by a red triangle.
(b) The word “Danger” should not appear on traffic signs.
(c) New signs should conform to standard patterns. (Paragraph 72.)
(23) No Entry—A new “No Entry” sign based on the symbol agreed by the Geneva 1931 Conference is recommended. It should be erected on each side of the road to which it refers. (Paragraph 78.)
(24) Prohibition or Restriction of Use of Highways by Specified Classes of Vehicles.—Signs of this type should be worded as simply and concisely as possible. (Paragraphs 80 and 81.)
(25) Restriction of Waiting—Where waiting is prohibited on one side of the road on alternate days, the movable sign “No Waiting This Side To-day” should be used in preference to signs of the type “No Waiting This Side on Even Dates” and “No Waiting This Side, Monday, Wednesday and Friday.” (Paragraph 82.)
(26) Design of Prohibitory Signs.—Signs restricting or prohibiting the use of
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