MUTCD 11th Edition (2023)
Section 6N.01 — Work Duration
Manual on Uniform Traffic Control Devices, Section 6N.01. Standards, guidance, options and support statements, with figures and cross-references.
Section 6N.01 Work Duration Support: 01 Work duration is a major factor in determining the number and types of devices used in TTC zones. The duration of a TTC zone is defined relative to the length of time a work operation occupies a spot location. Standard: 02 The five categories of work duration and their time at a location shall be defined as follows:A. Long-term stationary is work that occupies a location more than 3 days. B. Intermediate-term stationary is work that occupies a location more than one daylight period up to 3 days, or nighttime work lasting more than 1 hour. C. Short-term…
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