An operator may not turn a vehicle to proceed in the opposite direction on a curve or on the approach to or near the crest of a grade, where the vehicle can not be seen by the operator of another vehicle approaching in either direction within 500 feet. [1993, c. 683, Pt. A, §2(NEW); 1993, c. 683, Pt. B, §5(AFF).]
29-A M.R.S. § 2072