What is another word for slip coach?
Pronunciation: [slˈɪp kˈə͡ʊt͡ʃ] (IPA) 
A slip coach is a railway carriage that can be detached from a train while it is still in motion and allowed to roll or "slip" onto a nearby track. This enables passengers to reach destinations that are not directly served by the main train line. There are various synonyms for the term "slip coach." These include "slip carriage," "slip wagon," "slip platform," and "slip road." Additionally, some railway systems use the term "parliamentary train" to refer to a service that regularly operates with slip coaches. Regardless of the terminology used, slip coaches have been a valuable addition to many railway networks and have enabled passengers to reach even the most remote destinations.
