Sec. 4. (a) If a railroad entity enforces a right of contribution in the original action brought against the railroad entity under section 3(a)(1) of this chapter, the plaintiff in the original action may seek to bifurcate the plaintiff's claim from the contribution claim of the railroad entity.
(b) Upon the plaintiff's motion for bifurcation, the court may order the bifurcation of the plaintiff's claim, and allow the plaintiff's claim to proceed in advance of the contribution claim of the railroad entity.