reaperexpress
Senior Member
Yes. Better service does typically cost more to operate. Though it's worth noting that GO still has some trains in storage, and owns the tracks for the central portion of all lines, if not the entire line.Right but then there is the cost to procure additional locomotives and train crews not to mention the track time.
A notable exception is when you can cut a service's round trip time. For example, getting off the highway to serve a park-and-ride lot adds around 5 minutes to a bus schedule. If your route runs every 30 minutes (e.g. route 40 Hamilton-Pearson-RHC) and you cut out 3 stops (e.g. Main & Longwood, Burlington P&R, Oakville P&R), you save around 15 minutes per direction, which is 30 minutes round trip. And you can remove one bus from the route, while maintaining the same frequency.
The same principle applies to express trains, though the effect is less dramatic because each stop skipped only saves about 2 minutes, or 3 minutes in areas with very high track speeds (e.g. Appleby, Bronte, Clarkson). If you can run from Kitchener to Toronto in 1h40 (as 6-car express trains did in 2021), you can run an hourly service with 4 trainsets. There would be 20 minutes of terminal time on average, partly to change the train's direction, but mostly to neutralise delays before the return trip. If the trip takes longer than about 1h50, running hourly service with only 4 trainsets would result in an average terminal time of only 10 minutes, which is too risky for such a long route travelling along single-tracked lines and unpredictable CN territory. So you'd need 5 trainsets. Compared to a 1h40 travel time, a 1h50 travel time results in 25% higher operating cost and lower ridership demand (revenue).
Bottom line: splitting a 12-car train into two 6-car trains does increase operating costs, but it's not double. On top of the speed related cost savings I described above, you also have the advantage that you can just park one of them off-peak and avoid dragging around 12 coaches all day even when they're not required. 12-car trains might make sense for some trains which run one express roundtrip at the peak of rush hour, but the trainsets which will be running most of the off-peak local service should be kept as short as practical.
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