In Re CSX Corp.

Relators filed a petition for writ of mandamus to challenge the trial court’s discovery ruling in the underlying negligence litigation. Relators complain that certain interrogatories are overbroad and irrelevant. We agree and conditionally grant mandamus relief.

Real party in interest, Donald Ward, worked periodically as a mechanic, tanker-man, and seaman from 1958 to 1998. He worked at National Marine Services for part of 1958 and from 1972 to 1977. In 1998, American Commercial Barge Line acquired National Marine Services. Ward sued American Commercial Barge Line and its subsidiaries —…