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Section 26; pages:
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Section 26: Distance Markers
(Page 1 of 2)
The Railways Clauses Consolidation Act 1845 required that the railway companies provide markers at quarter mile intervals along the trackside. Section 94 of the Act read:
"The company shall cause the length of the railway to be measured, and milestones, posts, or other conspicuous objects to be set up and maintained along the whole line thereof, at the distance of one quarter of a mile from each other, with numbers or marks inscribed thereon denoting such distances."
One reason for compelling the railway companies to have mileposts installed was that it allowed passengers to verify that they had been charged an appropriate fare for the length of their journey. Usually the mileposts are placed on only one side of the line, but occasionally there may be mileposts on both sides. The stated distance is measured from a defined point of origin, usually an important station or junction. This 'zero' point may be marked by a 'zero' post [26.1]. Alternatively, an ordinary milepost showing "0" may be used but quite often there is no marker at all.
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[26.1] Zero Post (e.g. "T.& M." = Thirsk & Malton Line) (North Eastern Railway).
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A milepost may be positioned facing the track (with a single face) or angled from the track (with two faces) so as to be readable from an approaching train. A milepost stating a fraction of miles may [26.2] or may not [26.3] show the whole number of miles.
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[26.2] Mileposts showing the whole number of miles (e.g. Highland Railway).
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[26.3] Mileposts that do not show the whole number of miles.
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Some companies varied the shapes of their quarter-mileposts to make the fractions more readily identifiable [26.4].
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[26.4] Varying shapes of mileposts (e.g. Caledonian Railway).
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Quarter miles are frequently represented by symbols such as spots, triangles or bars [26.5].
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[26.5] Quarter miles represented by symbols (e.g. triangles) (B.R.).
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Stripes or spots could be painted on the post itself, as a secondary means of showing the quarter miles [26.6].
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[26.6] Quarter miles additionally represented by stripes or spots on the post (e.g. L&SWR).
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On some lines, the location of the zero point was stated on the mileposts [26.7]. In some cases, just the initial letter, or letters, of the zero point location was given [26.8].
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[26.7] Milepost stating the location of the zero point (e.g. Darlington) (North Eastern Railway).
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[26.8] Milepost with the initial of the zero point (e.g. "M" = Manchester).
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During the Second World War, some mileposts were removed (e.g. on the West Coast Main Line) and holly bushes were planted in their place.
From 1963, mileposts were generally coloured yellow. This change coincided with the repainting of permanent speed restriction indicators from white to yellow, to improve their visibility in snow (see Section 13).
Some railways are provided with kilometre posts in addition to the mileposts. It has become practice to install kilometre posts when a railway is being electrified. Posts are installed at 500 metre intervals [26.10 - 26.12]. Those provided in 1971 between London King's Cross and Royston, including via the Hertford Loop, comprised small blue markers [26.10]. The posts at the half-kilometre positions were diamond shaped, with a "5". Kilometre posts were also provided on the Midland Main Line in connection with the testing of the APT-E train.
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[26.10] Kilometre Posts, Great Northern Line electrification.
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[26.11] Kilometre Posts, Ayrshire Lines electrification.
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[26.12] Kilometre Posts, East Coast Main Line electrification.
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Around 1987, additional posts were provided midway between the quarter-mileposts on some lines in the north of Glasgow, thus providing distance markers at 10 chain intervals [26.13]. There are eighty chains to one mile.
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[26.13] Ten Chain Marker (Scottish Region).
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