Massachusetts DOT told federal regulators overseeing the potential purchase of Pan Am Railways by competitor CSX that the state needs CSX to guarantee track access for east-west passenger trains through Springfield.

SPRINGFIELD, Mass. — Federal regulators recently rejected CSX’s plan to buy Pan Am Railways Inc., which operates 1,200 miles of track.

Amazon has already begun $5.6 million in renovation work for its new distribution center in Holyoke, Mass., and has told the local career center it is looking for a venue to host a hiring fair and fill 235 jobs.