Speaking of Mark I renovations, I got to ride 063 today at Patterson! These trains look seriously renewed up-close.
The interior colour scheme makes the car feel so much more spacious and friendly, let alone the removed seating. I wish that 063/064 had the redone lighting like 011/012 though. The redone lighting completes the deal.
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On the Surrey issue, the RRT1A option is actually a great compromise - the capital cost is the same as LRT1. I do think that, on the community-level, a few tweaks will need to be made, particularly where the BRT ROW comes in (i.e. little actual transit improvement to be enjoyed on 104 Ave with the ROW; also, the BRT ROW must not impede on a future SkyTrain upgrade as needed to meet RTS goals).
There's also the possibility of a separate SkyTrain line altogether with shorter stations and potentially more areas serviced, that hasn't been looked at. I reckon a single line extending 104th, 152nd and Fraser ,creating improvements for Guildford AND Langley, using 2-car trains rather than 5-car trains, and with a future Newton extension potential could cost similarly to the current proposal - but I haven't checked the numbers. Not enough time for that.