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Symbols are used to represent geographic phenomena, which exist in, and are represented by, a variety of spatial forms. Different kinds of symbols are used to portray different spatial forms. [1] Phenomena can be categorized a number of ways, but two are most relevant to symbology: ontological form and dimensionality.
11th edition of the MUTCD, published December 2023. In the United States, road signs are, for the most part, standardized by federal regulations, most notably in the Manual on Uniform Traffic Control Devices (MUTCD) and its companion volume the Standard Highway Signs (SHS).
Default colour scheme is black text on white background, although the Queen Elizabeth Way uses blue "QEW" on gold, and provincially-maintained toll highways (407, 412 and 418) use white route numbers on blue. These shields used to be emblazoned with "The King's Highway" across the top, but the wording has been removed since the 1990s.
The software that is commonly used to create maps, including both geographic information systems and graphic design programs, provide a number of options for creating, editing, and storing the hundreds or even thousands of labels in a map. Each of these has advantages and disadvantages for particular situations.
Example of an original U.S. Route shield, with the state name of "Michigan" and route number of "27" displayed in the original block font. The original design of the shield was presented in the January 1927 edition of the Manual and Specifications for the Manufacture, Display, and Erection of U.S. Standard Road Markers and Signs, the precursor to the Manual on Uniform Traffic Control Devices ...
A route (or road) number, designation or abbreviation is an identifying numeric (or alphanumeric) designation assigned by a highway authority to a particular stretch of roadway to distinguish it from other routes and, in many cases, also to indicate its classification (e.g. motorway, primary route, regional road, etc.), general geographical location (in zonal numbering systems) and/or ...
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
Many states formerly used sequential numbers, and in some cases used exit numbers sparingly, if at all. The following states have introduced mile-based exit numbering on some or all of their highways: California: Began widespread exit numbering in January 2002, although some exits in Los Angeles received mile-based numbers in the 1970s ...