All of these lines have one thing in common. Catenary. So why do railroads use catenary? Catenary is a means of getting electricity from overhead lines to pantograph-equipped electric locomotives ...

Should freight railroads consider catenary electrification? Absolutely not, the Association of American Railroads (AAR) stresses in a study “highlighting the overwhelming financial, operational and ...

Types of Risers There are a number of types of risers, including attached risers, pull tube risers, steel catenary risers, top-tensioned risers, riser towers and flexible riser configurations ...