Section 366.462 - Construction of fences on freeway overpasses(1) The Department of Transportation shall construct fences on all freeway overpasses that are built on and after November 4, 1993. The fences shall be designed to deter persons from throwing objects from the overpasses onto the freeways.(2) The Department of Transportation shall construct fences on existing freeway overpasses that involve the greatest risk factors.Amended by 2017 Ch. 750, § 133, eff. 10/6/2017.1993 c.510 §§1,2; 2001 c.104 §125366.462 was enacted into law by the Legislative Assembly but was not added to or made a part of ORS chapter 366 or any series therein by legislative action. See Preface to Oregon Revised Statutes for further explanation.