Caption: Back when the MPI MP40PH-3C units were still pretty brand new, the crowded Milton line was the first to get longer 12-car trains (due to GO not being able to run more Milton trains at the time, they instead ran longer ones, 10 vs 12 cars). 6-month old class unit GO 600 sits on the tail end of Milton train #159, poking its head out of the trainshed on Track 7 alongside the photographer's Barrie-line train #809 on Track 6, with older F59PH 546 trailing this evening.

Another interesting detail: the TTR (Toronto Terminals Railway) logo on the wooden phonebox, attached to one of the support beams of the 1920/30's era Bush train shed between the locomotives.