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The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...
The CA MUTCD and sign specifications are organized similarly to the MUTCD and SHSM, respectively. Each of the California sign specifications is assigned an alphanumeric designation and organized according to the same series found in the SHSM. The sign designation for a state-specific sign includes a "(CA)" after the sign number.
A 1965 law strengthened the MUTCD's legal authority by prohibiting the sale, purchase, or manufacture of noncompliant signs and signals. [4] Further editions were published in 2003, 2005, and 2012 under a shortened title, Ohio Manual of Uniform Traffic Control Devices. The 2012 edition conforms to the 2009 MUTCD. [3]
The 11th edition of the MUTCD was released on December 19, 2023. [1] The effective date, 30 days after publication, of the MUTCD was January 18, 2024. States have two years after the effective date to do one of the following options: adopt the revised MUTCD, adopt the revised MUTCD with a state supplement, or adopt a state-specific MUTCD. [2]
The design of mandatory signs varies widely, since the MUTCD does not specify their use. [1] Rather, the MUTCD's equivalent are classified as regulatory signs. Some countries use simple arrows with the text "ONLY" or its equivalent underneath. This is the MUTCD standard. Some countries use European-style white-on-blue circular signs.
The beam is originally straight, and any taper is slight; The beam experiences only linear elastic deformation; The beam is slender (its length to height ratio is greater than 10) Only small deflections are considered (max deflection less than 1/10 of the span).
Template parameters [Edit template data] Parameter Description Type Status Year year Edition for the Manual on Uniform Traffic Control Devices. If the year is omitted, the default is 2009. The 2003 edition is also able to be referenced. Number optional Revision revision Revision to the base edition. If the revision is omitted, the default is 3 (for the 2009 edition). For the 2009 edition, the ...
This means that the tape changes length by 1.16 mm per 10 m tape per 10 °C change from the standard temperature of the tape. For a 30 meter long tape with standard temperature of 20 °C used at 40 °C, the change in length is 7 mm over the length of the tape.