A nationwide network of the seven largest freight railroads – BNSF, Canadian National, Canadian Pacific, CSX, Kansas City Southern, Norfolk Southern and Union Pacific – operates across the United States.

Source: https://pulse.ncpolicywatch.org/2023/03/16/u-s-senate-leader-calls-for-safety-audit-into-all-major-railroads-after-ohio-derailment/

DuPage Rail Safety Council Chair Lanny Wilson is flanked by local mayors and lawmakers as he outlines concerns about a merger of Canadian Pacific Railway and Kansas City Southern Railway.

Source: https://chicago.suntimes.com/2023/2/28/23618781/railroad-merger-opposed-suburban-chicago-mayors-norfolk-southern-derailment-ohio

In the fall of 2022, when Cole’s civil trial against Kansas City Southern Railway Company began in St. Louis County Circuit Court, a central figure in the case reemerged: the derail sign.

Source: https://www.propublica.org/article/trains-railroad-kcs-kansas-city-southern-injuries-lawsuit