Four of 28 passengers died and 20 others were injured on a Sept. 10 Philadelphia-to-Toronto Megabus a trip that went disturbingly wrong for reasons investigators still are trying to determine.

That “horrible … tragic” crash, in which the bus slammed into a railroad bridge 3-feet too low for the bus to clear, put “a certain focus by the public on us,” said Dale Moser, president and chief operating officer of Megabus’ parent company, CoachUSA. Megabus operates several routes in and out of Chicago and Get the full story »