(11 Feb 2019, 9:48 pm)R838PRG wrote Notice that fleet numbers are generally not re-used but this uses a 9xxx series number used when a batch of Leyland Olympians were on loan from Ensign in c2006.  In this case 9079 (C79CHM).

I think it was that one which gave up the ghost one evening on the A1 (M) near Durham.
Managed to make it to the hard shoulder, but was there a good while.