A switch rail for a trolley conveyor track system is disclosed, the switch rail comprising an inherently flexible rail segment joined to a straight rail segment, the switch rail being movable from first to second switching positions for connecting a first track section selectively with second and third track sections, the flexible rail segment embodying a rigid link for limiting flexure movement thereof to movements codirectional to that in which the axis of the straight rail segment moves when the switch rail is shifted between its first and second switching positions.