Rail decision on track, but DOJ adds bump

Federal railroad regulators are officially on the clock – and so, too, is the fate of train traffic along the Mississippi River in eastern Iowa.

The U.S. Surface Transportation Board (STB) can issue their ruling as early as Monday, Feb. 27, on the proposed $31 billion merger of the Canadian Pacific (CP) and Kansas City Southern (KCS) railways.

The STB’s Office of Environmental Analysis…