(03 Aug 2015, 5:03 pm)S813 FVK wrote The rear of an indiGo Solo SR:
https://www.flickr.com/photos/16042610@N...ateposted/
You have an avid interest in the destinations, so I suppose you'll have noticed the (extremely large) rear display!
Let's just say that even the partially sighted will be able to see the number from a distance when they've missed the bus...