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

Union Pacific wants 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.

A proposed merger between Norfolk Southern and Union Pacific was announced Tuesday, causing a lot of uncertainty for Central Pennsylvania. If the $85 billion merger goes through, Union Pacific will acquire Norfolk Southern,