Wait a moment... a Nissan Disesl did route RWS8? Do you have the
original photo?
Also, this could have been reality if SBS Transit's Nissan
U31SCN buses survived long enough to see SBS Transit livery...
I got it off (buses[IN]gapore!)'s Facebook page, since it was
under a CC license...

http://www.facebook.com/photo.php?fbid=179026898804459&set=a.168949566478859.32551.147670341940115