Construction Warning (CW) Signs: Turns & Curves (Horizontal Alignment)
A temporary traffic control zone is an area of a highway where road user conditions are changed because of a work zone or an incident through the use of temporary traffic control devices, police, or other authorized officials. The horizontal alignment Turn for 30 mph or less (CW1-1), Curve over 30mph (CW1-2), Reverse Turn less than 30 mph (CW1-3), Reverse Curve over 30 mph (CW1-4), or Winding Road (CW1-5) signs may be used in advance of situations where the horizontal roadway alignment changes.
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