D1009
Established Member
I believe today's "Cathedrals Express" 1Z61 0858 Paddington to Cardiff via Gloucester hauled by B1 4-6-0 no. 61306 to have been the first steam hauled train over Reading Flyover. A somewhat inappropriate locomotive, but never mind!
http://www.realtimetrains.co.uk/train/U55229/2015/03/01/advanced
http://www.realtimetrains.co.uk/train/U55229/2015/03/01/advanced