👉 Derails, also known as "derrails" or "deriatives," are a type of transportation system in which trains move on top of each other. This means that instead of having separate tracks for each car, they have multiple tracks connected to each other. In this way, the trains can share common tracks and thus reduce the risk of derailments. The term is often used in contexts where there is an emphasis on safety or efficiency, as it suggests a system with multiple layers of
