The U.S. has no federal limit on freight train length, leaving the cost-conscious rail industry free to experiment with giants like the 3.5-mile, nine-locomotive behemoth that chugged from Texas to ...

Longer trains have more cars, possibly a greater variety of car types and sizes, and more requirements for power distributed across the train in comparison with shorter manifest trains. Because of ...

OMAHA, Neb. (AP) — As freight trains have grown longer, the U.S. has seen an increase in the number of a type of derailment caused by the forces of railcars pushing and pulling against each other, the ...