download: http://blacksteel.nma-fallout.com/files/cruiser.zip
Its scenery of heavy armored train called "Cruiser" + railroad tracks. Lack of fuel and many dangerous on wasteland made that peoples dont use individual cars but travell betwen towns by trains. Such train was designed for long distance travell trough dangerous areas: air filtering system, armor and cannon like tank. I made it by mix together few scenery from game.