DescriptionReport of the Traffic Signs Committee (1963) - Fig 45.png English: Fig. 45. Steep hill. (Paragraph 92.) Date 1963 Source https://en.wikisource...
DescriptionReport of the Traffic Signs Committee (1963) - Fig 45c.png English: Fig. 45c. Plates for use with sign at fig. 45. (Paragraph 92.) Date 1963 Source...