felix123
Active Member
Not sure where to post this, but anyone know what happened to steveintoronto? He used to post constantly on these forums and has been silent for a while.
Does VIA provide speed of 160 km/hr in reality on any section of track?
Does VIA provide speed of 160 km/hr in reality on any section of track?
I'm not trying to disprove your experience, but I'm trying to narrow down the differentiators which caused the gap between what you perceived as a highly satisfactory intercity service (even: something we should emulate) and the present-day VIA services, which you clearly find lacking (and I partly agree): because if it's not the maximum speed reached, the average speed scheduled or the number of frequency - what is it then? Maybe I’m missing something, but the only remaining aspects I can think off would be rolling stock (higher comfort and better amenities), track quality (smoother and less bumpy ride) and reliability (higher punctuality and less equipment breakdowns) and all of these 3 aspects will improve dramatically with HFR and VIA's new fleet...I stand by what I said. As was presented, they are aiming to upgrade track between Dresden and Berlin to 200 km/hr. Obviously, they had not achieved that when I used the service in 2015, however, trains did run on the section of track I was referring to at a speed considerably faster than VIA. This may have not covered even half the distance between Dresden and Berlin at that time, but it was very noticeable. Does VIA provide speed of 160 km/hr in reality on any section of track? Bravo, if they achieve that in the future. Nevertheless, what I was describing was a stepping stone towards 200 km/hr service. HFR is not going to deliver that. Regardless, the route to HSR at 200 km/hr or higher is by upgrading track section by section. This is exactly what was going on between Dresden and Berlin. I don't understand the point of trying to disprove my experience.
- on well over 100 miles of track between Toronto and Montreal - CN's Kingston Sub - most passenger trains are allowed to operate at 100mph
- almost the entirety of the Smiths Falls Sub - 0.3 to the end at 34.5 - is signed at 100mph for most passenger trains
- the entirety of the Brockville Sub is signed at 100mph for most passenger trains
- the VIA-owned section of the Chatham Sub - 63.8 to 99.14 - is signed at 100mph for most passenger trains
- I'm pretty sure that the Alexandria Sub is almost entirely 100mph as well, but I don't have paperwork to verify that
Now, those limits are dependent on equipment and specific local conditions - curves, track conditions, switches and temporary slow orders for work to be done or being done - but they exist and for long stretches, and trains do operate at those speeds.
Dan
Speed limits are one thing. Service delivery is another. If there is a 100 mph limit on a good portion of track on the Alexandrria sub, then why has there been no time improvement for VIA Service between Ottawa and Montreal?
I'm not trying to disprove your experience, but I'm trying to narrow down the differentiators which caused the gap between what you perceived as a highly satisfactory intercity service (even: something we should emulate) and the present-day VIA services, which you clearly find lacking (and I partly agree): because if it's not the maximum speed reached, the average speed scheduled or the number of frequency - what is it then? Maybe I’m missing something, but the only remaining aspects I can think off would be rolling stock (higher comfort and better amenities), track quality (smoother and less bumpy ride) and reliability (higher punctuality and less equipment breakdowns) and all of these 3 aspects will improve dramatically with HFR and VIA's new fleet...
Yes I have seen the 'meet' issue on the Alexandria sub. The passing sidings are not long enough to allow trains to maintain reasonably high speeds. Speed limits are only part of the story as your comment suggests. How long can trains in reality maintain those speeds? If what VIA offers is so great, why can they not deliver 3 hr 59 m service between Montreal and Toronto as they were able with the Turbo trains, although I gather that was not always achieved.Meets, for one thing. Freights, for a second. Third, terminal zones have lower speed limits. There are some good curves in the last few miles into Montreal station.
Watch VIA's moving map, and you will get a good handle on this. The trains do zip along where they can, but slowing down even once from 100 mph to 45 to cross over adds a lot of time. Slowing down to zero for a single track meet is even more time consuming.
- Paul
^One caveat to Dan's stats - the effective speed limit will depend on specific equipment (HEP vs LRC, P42 vs F40PH-2) and on permanent and temporary slow orders. There are many optimal consists out there, but many are not.
One (admittedly old) document that I have shows that at that point in time, on the Kingston Sub there was only one stretch of 38.2 miles where 100 mph could be sustained without slowing down - that was between Cornwallish and Brockvilleish. The second longest segment was 20.2 miles between Grafton and Trenton. Only five other segments of 12-13 miles and three of 7-9 miles existed, the remainder were under five miles long.
- Paul
OK, slowing from 100 to 90 or 80 for a slow order and accelerating back up does not add that many seconds, but no one should have the illusion that VIA trains zoom along at present at the full 100 mph for sustained distances.
Many of these slow orders could be lifted with capital investment. I hope HFR will provide the opportunity to fix these.
- Paul
So what's precluding 105 or 110 mph operation on the Kingston sub now? It used to be 90 mph didn't it, for anything that wasn't tilting ... something like that - so something changed. I don't think I've seen the old dual-speed limit signs for a long time.
Wow - I didn't see that coming. Is the 25 minutes from Central to Dorval really that much different than a cab? Gosh ... I guess it is right now with the construction.Once REM is in place the return will tilt back in the favour of air though.
Wow - I didn't see that coming. Is the 25 minutes from Central to Dorval really that much different than a cab? Gosh ... I guess it is right now with the construction.