158840, AT 10.09 Birmingham International-Aberystwyth & Pwllheli (1J11 & 2J11), Birmingham New Street station
158840 leaves New Street station into the darkness of New
Street North tunnel forming the ATW 10.09 from Birmingham International to Aberystwyth and Pwllheli. Out of sight in the tunnel is another Class 158 with the two units splitting at Mchynthleth with them running separately to their relative destinations.