Snider to Washago

From the flat crossing and junction with the east-west CN York sub. at MP 13.2, where there are connectors in the northwest and southwest quadrants, the single track, CTC, line heading north passes a bridge over a highway,  Snider North (MP 14.0), Concord (MP 15.5), where CTC ends in favor of OCS, the 2,600 ft. siding at Maple (MP 18.3), the 2,020 ft. siding at King City (MP 22.7), where the line turns northeast and then north again, the 1,350 ft. siding at Aurora (MP 29.9), a detector at MP 30.2, a turn north-northeast across the Holland River, north across the river again past Newmarket (MP 34.2), and a turn northwest to the 4,725 ft. siding at Bradford (MP 41.5), where Go Transit services end.

The line turns north-northeast, north past a detector at MP 49.0, northwest past the 4,342 ft. siding at Allandale (MP 62.5) and Barrie (MP 63.0), where the Beeton Spur heads away, and northeast, following the northwest shore of Lake Simcoe, past the 2,720 ft. siding at Oro,  and the 6,120 ft. siding at Orillia South (MP 85.5), turning east at Midland Junction, crossing an arm of the lake, northeast at Orillia (MP 86.3) and north at the 2,220 ft. siding at Longford (MP 93.7) to Washago South (MP 98.7), where the Bala sub. trails in from the south-southeast.