Actually the dwell times are the main cause for the slow times on. Line 2 on that chart
@reaperexpress did.
Line 2 track speeds are between 60-70 km/h, with speed buffers around the stations, but this section is also the part with the most single track. And the trains actually move pretty much at those max.speeds. But the dwell times are very long to ensure the trains can pass each other, e.g. trains at Carleton or Corso Italia can't leave until the other train arrives. This causes dwell times in the 90+ second range, far longer than the TTC, which I swear sometimes closes the doors almost immediately after opening them.