By Institute of Transportation Engineers
The handbook on Uniform site visitors keep watch over units (MUTCD), 2003 version, includes criteria for the install and upkeep of site visitors keep watch over units that keep watch over, warn, and consultant highway clients alongside all streets and highways around the country. This new version represents significant revisions in improvement considering 2000, together with: intervening time approval strategy for brand new site visitors keep an eye on units and purposes; New bankruptcy on transitority site visitors keep watch over for site visitors incident administration that incorporates new colour scheme for incident administration indicators; New part on pedestrian countdown signs and “animated eyes”; New concerns for pedestrians and staff in transitority site visitors regulate zones, together with attention for pedestrians with disabilities; New provision for in-street pedestrian symptoms; New innovations for elevated letter peak on highway identify symptoms; New use of yield markings at un-signalized mid-block pedestrian crosswalks; and New provisions for top visibility garments for staff and flaggers.
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Extra resources for Manual on Uniform Traffic Control Devices for Streets and Highways (2003 Edition)
25. Engineering Judgment—the evaluation of available pertinent information, and the application of appropriate principles, Standards, Guidance, and practices as contained in this Manual and other sources, for the purpose of deciding upon the applicability, design, operation, or installation of a traffic control device. Engineering judgment shall be exercised by an engineer, or by an individual working under the supervision of an engineer, through the application of procedures and criteria established by the engineer.
Standard: All regulatory traffic control devices shall be supported by laws, ordinances, or regulations. Support: Provisions of this Manual are based upon the concept that effective traffic control depends upon both appropriate application of the devices and reasonable enforcement of the regulations. 09 Engineering Study and Engineering Judgment Standard: This Manual describes the application of traffic control devices, but shall not be a legal requirement for their installation. Guidance: The decision to use a particular device at a particular location should be made on the basis of either an engineering study or the application of engineering judgment.
Guidance: The request for permission to place a traffic control device under interim approval should contain the following: A. A statement indicating the nature of the problem. B. A description of the proposed change to the traffic control device or application of the traffic control device, how it was developed, the manner in which it deviates from the standard, and how it is expected to be an improvement over existing standards. C. The location(s) where it will be used and any illustration that would be helpful to understand the traffic control device or use of the traffic control device.
Manual on Uniform Traffic Control Devices for Streets and Highways (2003 Edition) by Institute of Transportation Engineers