in Southern Africa, Oceania and many countries elsewhere.) Before these cars were built with steel walls, the observation end of heavyweight cars in the US and Canada resembled a roofed porch area. Larger windows were installed at the observation end on these cars as well. At this end of the car, there was almost always a lounge where passengers could enjoy the view as they watched the track rapidly recede into the distance. Sleeping car Often called "sleepers" or "Pullman cars" (after the main American operator), these cars provide sleeping arrangements for passengers travelling at night. Early models were divided into sections, where coach seating converted at night into semi-private berths. More modern interiors are normally partitioned into separate bedroom compartments for passengers. The beds are designed in such a way that they either roll or fold out of the way or convert into seats for daytime use. Compartments vary in size; some are large enough for only a bed, while others resemble efficiency apartments including bathrooms. In China, sleeping cars still serve as major travel classes in long-range rail transport. The classes of sleeping cars include hard sleeper (YW) with six bunks per compartment, soft sleeper (RW) typically with four bunks, deluxe soft sleeper (GRW) typically with two bunks. Trailer car A similar car which was usually found in DMUs, EMUs, and locomotive-hauled passenger trainsets. They also generally intermediate cars within the consist and sometimes have driving control facilities. They may carry auxiliary equipment (E.g. the braking system, air conditioning, etc.) where space is limited. Head-end equipment Baggage car Although passengers generally were not allowed access to the baggage car, they were included in a great number of passenger trains as regular equipment. The baggage car is a car that was normally placed between the train's motive power and the remainder of the passenger train. The car's interior is normally wide open and is used to carry passengers' checked baggage. Baggage cars were also sometimes commissioned by freight companies to haul less-than-carload (LCL) shipments along passenger routes (Railway Express Agency was one such freight company). Some baggage cars included restroom facilities for the train crew, so many baggage cars had doors to access them just like any other passenger car. Baggage cars could be designed to look like the rest of a passenger train's cars, or they could be repurposed box cars equipped with high-speed trucks and passenger train