The foundation of a bus product is its chassis. This section includes chassis models available to industry bus builders to build virtually any type of bus for nearly every application. These can include standard buses and coaches, paratransit models, limos, special purpose vehicles and people-mover vehicles. Offerings this year include chassis models by Freightliner Custom Chassis Corporation and Mercedes-Benz USA. 56 2017 Il l ustrated Gui de to N orth Ameri can B uses