Quote:
Originally Posted by officedweller
Yes, but there would be more of an impact on service, especially if you are down to 90 sec headways. It would mean that the westbound Coquitlam train would have to cross over the eastbound Coquitlam track to get to the "Vancouver Platform" - as well as a similar crossover to the west of the station for eastbound trains to get to the "Coquitlam Platform". I think the basketweave was probably to eliminate one of the two switch crossovers. I'm thinking that a change in platform assignments would be the more likely result (which may mean more inconvenient transfers).
Also, if the platforms are assigned differently (i.e. northmost platform assigned to westbound to Vancouver), if the M-Line from Waterfront is terminated/turned back at Lougheed Station, you don't have to address the problem of two westbound trains (M-Line/Evergreen Line) at different westbound platforms (i.e. passengers not knowing which westbound platform will be serviced first by a westbound train). The result could mean that passengers transferring from M-Line (from Braid) to Vancouver-bound Evergreen would have to do an up and down walk to the other platform instead of staying on the "Vancouver platform" and passengers transferring from M-Line to Coquitlam would have a cross platform transfer.
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But one of the unfinished guideway is built with a slight slope upward, so if they decide to drop the basketweave, they'll going to be a small bump when travelling into Lougheed Station.