Thanks to DJ Norton for this.
There’s a fantastic website of more photos here.
There’s also some great 80s photos of buses on Flickr – see these links:
http://www.flickr.com/photos/8050359@N07/3796144178/
http://www.flickr.com/photos/8050359@N07/4118241500/
http://www.flickr.com/photos/8050359@N07/3392859607/