Union Pacific and Norfolk Southern are in merger talks to create the largest railroad in North America that would connect the East and West Coasts.

Union Pacific is in talks to merge with Norfolk Southern, according to The Wall Street Journal, in a deal that would shake up the railroad business in America.The Journal cited people familiar with the matter.

Union Pacific Corp. is exploring an acquisition of Norfolk Southern Corp., setting up what could rank as the largest railroad deal ever, according to people familiar with the matter.