York Region Transit recently adjusted the Monday-to-Friday early evening schedule for westbound buses operating along the 87 Langstaff - Maple route.
The buses that formerly left Rutherford GO Station at 6:15 and 6:37 p.m. Mondays to Fridays now leave ten minutes earlier at 6:05 and 6:37 p.m. The buses end their trips at Mosque Gate and Teston Road at 6:25 and 6:47 p.m.
You can view the new route navigator (map and schedule) here. (.pdf)