Union Pacific acquires Norfolk Southern, forming the first U.S. transcontinental railroad. Read the latest stock analysis on the merger here.

The merger would create the United States’ first coast-to-coast rail network, spanning 50,000 miles and 43 states.

Union Pacific is seeking to buy Norfolk Southern in a $85 billion deal that would create the first transcontinental railroad in the U.S, and potentially trigger a final wave of rail mergers across the country.