what railroads operate in colorado
Colorado Railroad Jobs. For a state of its size, Colorado railroad jobs are mostly relegated to the Class Is which serve the state, Union Pacific and BNSF Railway, which make up 80% of its total rail miles.Amtrak also operates across Colorado, notably its very popular California Zephyr.or a state of its size, Colorado railroad jobs are mostly relegated to the Class Is which serve the state, Union Pacific and BNSF Railway, which make up 80% of its total rail miles.