Practice question
Per NMDOT 2019 618.2.1.1, how often shall the traffic control supervisor's certification be renewed?
- Only once, at initial hire
- Every ten years, after the first card
- Every four years, with recertification in the fourth year before the current card expires
- Every 90 days
Answer: C — Every four years, with recertification in the fourth year before the current card expires
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