The double arrow symbol, indicating access to the National Rail network, can be used in many forms but these have restrictions and should only be used in specific areas. This page indicates the differing forms and specifies areas of application.
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Designed by Gerry Barney (also of the DRU), this arrow device was formed of two interlocked arrows across two parallel lines, symbolising a double track railway. The new BR corporate identity and Double Arrow were rolled out in 1965, and the brand name of the organisation was truncated to British Rail.
As such it is still printed on railway tickets and used to denote railway stations, including usage on street signs pointing to such stations. The logo has traditionally been used in a variety of colours, and in both positive and reversed forms.
The National Railroad Passenger Corporation, doing business as Amtrak (/'æmtræk/; reporting marks AMTK, AMTZ), is the national passenger railroad company of the United States.
The symbol ? (U+21AF ? DOWNWARDS ZIGZAG ARROW) is a Unicode character. It may refer to: a contradiction (the relationship between incompatible propositions) in mathematical logic. electrolysis (the process of using an electrical current to separate molecules) in chemistry.
A maplet or maplet arrow (symbol: ?, commonly pronounced maps to) is a symbol consisting of a vertical line with a rightward-facing arrow. It is used in mathematics and in computer science to denote functions (the expression x ? y is also called a maplet).
People need to be able to see and hear trains appropriately so they're able to stay safe. In Britain, historically train fronts were required to have a yellow panel in order to make them more visible, a move which came in the 1950s when newer diesel and electric trains were found to be far quieter than steam.