Quote:
Originally Posted by J.OT13
What separates metro from light-metro. I thought it was capacity. Why are are all three Vancouver Skytrain lines light-metro while the REM and Ontario Line are not? I was always under the impression REM was a light-metro.
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It is capacity and the OL has been designed with a relatively high capacity - much higher than the skytrain.
The OL's design capacity is 30,000 PPHD - which is actually higher than what the Toronto subway system can handle today. It uses slightly smaller, standardized, trains than the existing subway, but makes up for it with higher frequencies.
Once the Toronto subway completes signal upgrades, it will be capable of slightly higher passenger loads (theoretically up to 34,000 PPHD).
Light metro is more in the sub-20k capacity range, which aligns with systems like the Ottawa LRT or the Skytrain (which can currently handle in the 17,000 PPHD range on the Expo Line).
REM has been deemed a light metro by some due to shorter trains (76m) and lower frequencies (150 seconds), resulting in a capacity of around 15,000 PPHD. The trains themselves being used are standard metro trains used globally.