*3.2.1 Coupemobiles*

Are four-wheeled passenger cars adapted for fast loading, unloading and transport on ComplexTrans trains. Their main features are a spacious cabin, approximately in the shape of a cube with rounded edges, with a variable interior for 5 adults and their luggage, forward and reverse retractable axles with adjustable ground clearance and impact protection function, and an electrically driven rear axle from the back replaceable traction battery. The variable interior can be easily adapted for on-road driving, for work, play or rest for up to five people, or for two people to sleep comfortably (**Figure 7**).
