Two shades of grey. The two ex-CREX units on the head end of CN 120 (CN 3939 & CN 3948) have different shades of grey as they approach Turcot Ouest, with CN 9418 as the third unit.
CN 120 will soon leave the St-Hyacinthe Sub for the Drummondville Sub as it heads east with a shorter than usual train and CN 2864, GECX 2038 & CN 5787 for power.