CN's Track Evaluation Systems RDC-1 no. 1501 was out measuring the tracks of the Longue-Pointe spur, off CN's Saint-Laurent subdivision in eastern Montreal.

CN's RDC-1 1501 "Test Track Evaluation Systems" was busy testing some trackage around Montreal this weekend, here seen returning from the port lead to Pointe-Saint-Charles, to continue from there ... (more)