The End of Train Device (ETD), sometimes referred to as an EOT, FRED (Flashing Rear-End Device) or SBU (Sense and Braking Unit) is an electronic device mounted on the end of freight trains in lieu of a caboose.
==Reference====Zunanje povezave==* The Red Caboose Motel a motel next to the Strasburg Railroad in Strasburg, PA where the guest rooms are retired cabooses* The Featherbed Railroad Bed & Breakfast Resort a bed and breakfast on Clear Lake in Nice, CA where the guest rooms are retired cabooses* The Warrenton Caboose How a restored N&W railroad caboose has become an integral part of a local community in Virginia* The Caboose Station from the Potomac Eagle Scenic Railroad website: has information on introduction of the bay window caboose* "The Wood Shanty Disappears" from "Southern Pacific Bulletin," January, 1962, pp 22–26* "The Colorful Caboose" from "Trains" Magazine (undated article)* CBC Radio Archives Talking about the end of the caboose in Canada (1989)