The U.S. Army said a Canadian Pacific Railway takeover of Norfolk Southern Corp. has the potential to harm national defense, adding opposition to the possible merger plan.

Norfolk Southern Corp. set a May 12 showdown with potential buyer Canadian Pacific Railway Ltd. by announcing that date for the annual meeting, where shareholders will say whether they want the board to negotiate a merger with the Canadian carrier.

The head of the Justice Department’s antitrust division said he's concerned about the proposed voting trust structure Canadian Pacific Railway wants to use to acquire Norfolk Southern Corp.

Working in or around Conway Terminal, the sprawling testament to the might of the U.S. freight railroad system, it might be easy to forget the storm of troubles brewing at Norfolk Southern Corp.

New York State Sen. Kathleen Marchione and UPS Inc. are among those who are opposing the merger of Canadian Pacific Railway and Norfolk Southern Corp., according to letters on file with the Surface Transportation Board.

Vice President Joe Biden will travel to Memphis on Feb. 17 to highlight work on Norfolk Southern's Crescent Corridor freight-rail project.

Canadian Pacific Railway is moving away from a proxy fight for Norfolk Southern Corp. but still plans to pursue a takeover of the U.S. carrier, a person familiar with the plan said.

CSX Corp. and Norfolk Southern Corp. told the Federal Railroad Administration they won't make the 2018 deadline for full implementation of positive train control.

Norfolk Southern Corp. reported Jan. 27 that fourth-quarter profit fell 29% from the same period a year ago and its yearly profit for 2015 was off by nearly as much — down 20% from a year earlier.

Canadian Pacific Railway Ltd., concerned that mounting political pressure may scuttle its proposed stock-and-cash bid for Norfolk Southern Corp., plans to change strategy to sway lawmakers and reverse the momentum.