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- 09:51, 10 November 2025 TaracksA talk contribs created page 616.14 Types of Temporary Traffic Control Zone Activities (MUTCD Chapter 6N) (Created page with "616.14 =={{SpanID|616.14.1}}616.14.1 Work Duration (Section 6N.01)== '''Support. '''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. '''The categories of work duration and their time at a location shall be defined as follows: :A. Long-term stationary is wo...")