Besides the new hourly service from Hamilton West Harbour Station.....GO is also reintroducing 2 trains to Toronto (dropped during Covid...now 4 in total eachway) departing from the Hamilton GO Centre (1.6 km south) This is the nicely restored former TH&B Station that once had through service to Buffalo, New York GCT, Boston, Cleveland and Pittsburgh. The GO Centre also has hourly bus service to Toronto via the QEW.
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And with all these new trains feeding into the Lakeshore line.......GO will offer every 15 min daytime frequencies on the 90 km between Oakville-Toronto Union-Oshawa.
(I'm going to give it a couple more months......then I might feel comfortable for a trip to Ontario for some GO riding!)