Patent ID: 8109551

Claim:
A bus cabin structure comprising: a floor with an axially extending central aisle, the floor comprising: a lower floor section; and an upper floor section rearward of the lower floor section; the lower floor section comprising laterally spaced apart front wheel wells and a transversely extending raised portion between the front wheel wells having a top surface at a level above the lower floor section, a forward ramp and a rearward ramp, both the forward ramp and the rearward ramp extending between the top surface and the lower floor section; a roof, a forward wall, a rear wall, curbside wall and driverside wall; wherein the roof upward of the upper floor section comprises a rear roof section including a central raised panel having an underside surface disposed at a higher level than an underside surface of a forward roof section and an upwardly rearwardly sloped transition panel between the central raised panel and the forward roof section.