It is very obvious from reading this chain that you are not living in the same country/area. This all is very interesting to me, but please (everyone, not just you) start stating where this system is in use.

The system you describe sounds good, however, it’s nothing I’ve ever encountered. May I ask where you live?

That sounds amazing! Can I ask where that is?

But, but, but… They can just climb in from the passenger side and comfortably scoot over, right? I mean that thing is huge, you might even be able to just walk over.