Sarnia to Komoka

From Sarnia (MP 58.9), where there is a passenger station, the single track, CTC, line heads east past McGregor (MP 57.9), where a line to Stratford once departed on the north side, west end of the Sarnia Yard (MP 57.2), where there is a large yard on the south side of the line, and then through farmland, past Modeland (MP 56.3), Blackwell (MP 55.6), where CTC ends and double track, OCS/ABS starts, crossovers at Mandaumin (MP 50.9), detectors at MP 47.5, Petrolina Junction (MP 46.3), where the Petrolia Spur heads south, crossovers at Wyoming (MP 45.3), crossovers at Wanstead (MP 41.7), Watford (MP 33.2), crossovers at Adelaide (MP 32.6), detectors at MP 30.7, crossovers at Kerwood (MP 25.9), crossovers at Pike (MP 21.5), and crossovers at Strathroy (MP 20.0), to a flat crossing with the CP Windsor sub. (MP 12.2), which then runs roughly parallel to the north, and Komoka (MP 9.8), where the CN Chatham sub. trails in on from the southwest on the south side and the line turns east-northeast.