> [...] I know that the basic chassis design allows buses to be assembled
> with left or right hand drive and also left or right hand sliding doors (or
> both).[...]

> wondering if there are any buses/vanagons with two sliding doors?
> Anybody seen one (or two)?

I think some of the older busses were built this way.  I have read somewhere that some baywindow busses were made this way, and there were split window busses with two sets of hinged doors back there.

Of course, Chrysler claims to have invented this idea in the '90s!!

Bill