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Because LRT in a tunnel would be much more expensive than heavy rail tunnel, given the same capacity. A 120m train every 3min would give the same capacity as 80m train every 2min or 60m train every 1.5min, but the latter only require a station half as large.

Who said heavy rail have to use 150m trains... :confused:

I think for heavy rail, he doesn't mean the Toronto subway trains. I think he just meant a generic, standard gauge, third rail, high floor, rotary motor train with the width that can fit into the current SRT guideway. This is one option that was never being considered for some reason.

None in operation yet, but they are in production. Vancouver ordered 28 of these at slightly more than 3M per car, to be delivered in 2015.

The keyword is "other alternatives" - other technologies (third rail rotary motor?), other operating conditions (shorter train, higher headway?), different requirements, combination of technologies, etc. The report seems almost black and white as its either long LRT or ICTS trains, and it is...

This would make sense if they are building a brand new system. However, for Toronto's case, it is replacing an existing one involving writing down hundreds of million dollar worth of usable asset (ie. guideway and station). I think I've asked this before - how much extra are they paying for...

Well, another way to compare is using the average fare paid per passenger regardless of mode, pass, zones, or distance travelled. TTC had 500.2M riders in 2011, and total fare collected was 976.0M, for an average fare of $1.95 per rider. Vancouver had 231.9M riders in 2011, and total fare...

Once a closed (grade separated) system interact with an open component (at-grade segment), there will be a degree of uncertainty added that will reduce the reliability of the closed system. What happen if the train coming in from the at-grade segment got delayed? Will it affect the headway of...

Fixed... I say many of the Vancouver's problem are not because of the snow, but mostly due to freezing rain or freezing of rain water when temperature fluctuate above or below freezing. The area around the SkyBridge (where the Expo and Millennium line splits off and where most of the problem...

I thought the cost was always 2.3B since the update in 2010? At least its shown here that escalated dollar for SRT replacement is 2.465B, not including the cost of the shared yard. This would be about 2.2B if you convert to 2011 dollars. Add in part of the yard, then 2.3B is about right...

Light rail vehicles are actually heavier than the ones for heavy rail because they're built to withstand the impact of collision. Comparing the vehicle of same length, the TransitCity LRV is acutally 10% heavier than the much wider Toronto Rocket, and 35% heavier than Vancouver's SkyTrain...

They're not that unusual. Many metro/subway systems in Asia use catenary power. The catch is, Ottawa is building a LRT that is fully grade separated and is able to run at a headway of 1.75 minutes. This is how the system is capable of providing such capacity. Assume everything else is...

The serious financial trouble isn't any worse than the one in Toronto and even Calgary. Those "cutting service from less used routes and adding service to heavily travelled routes" isn't anything new to Toronto. In fact, it happens once every few months every year. It is a big deal in...

There are more choices than LRT and LIM ICTS train. If they choose to use a smaller rotary motor train, there wouldn't a need to modify the station and rebuild the entire elevated guideway, and there are many manufactures making those. Even if they choose to run more frequent 2-car LRT train...

So its either Bombardier trying to specifically rip Toronto off, or Toronto is artificially inflating the price to make the option less attractive. Vancouver's 2009-2010 orders were 4.1M in average. The initial order of 34 cars were 4.3M each; option 1 (exercised) were 3.7M each for 14 cars...

So, in order to make everything works, they choose LRT cars that requires even bigger change.. Kennedy curve too sharp? Rebuild it. Ellesmere tunnel not enough clearance? Cut it open and raise it. Not enough clearance for stations? Raise the roof or lower the platform. Station too short...

I wonder what determined that a SRT train can only carry a maximum of 220 people. The same train used in Vancouver have a capacity of 320 and a crush load of 360 people. A driver cab doesn't take up that much space. Using a capacity of 320 per train would give 4,266 per hour under current...

Can they refurbish the vehicles to extend their life for a bit? Vancouver is planning to refurbish 114 older vehicles to extend their life to 2026, for a cost of 55M. Is SRT's vehicle in such a bad shape that no repair will work and have to be thrown out within 3 years?

The wiki forgot to take into account that in 2015, the SRT will be closed for LRT conversion. So Toronto would loose another 6km by the time Evergreen Line is completed.

The Evergreen Line does include a storage yard and light maintenance centre. Land and rolling stock are also included. Without those, the price would be around 900M to 1B (as mentioned in the RFQ as the approx. value for the primary contract). Control centre, on the other hand, will use the...