To preclude absolute liability in any action against a property owner or contractor for projects receiving Federal financial assistance for infrastructure and transportation development, and for other purposes.

Infrastructure Expansion Act of 2017 This bill precludes absolute liability in any action against a property owner or contractor for projects that are federally owned or operated or are receiving federal financial assistance for infrastructure and transportation development for any injury associated with an elevation- or gravity-related risk occurring on those projects. In any such claim, a state shall apply a liability standard that considers the comparative negligence of the injured person, when such negligence is a proximate cause of an injury.