Quote:
Originally Posted by nname
The project was 6 months ahead of its 8 years construction schedule and $200M under its $1.95B USD budget. The extension is about 5km long (entirely in bored tunnel) with 2 stations and a projected ridership of 21,500 by 2030.
Comparing this to Evergreen Line (4 years incl delays, $1.43B CAD, 11km, 6 stations, 70,000 by 2021), seems like we really got the value for the money....
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We get great value for our money for some reason. I actually think that if Seattle didn't already have the Transit Tunnel in downtown that they wanted to use (and keep mixed use), they probably would have built something like Skytrain. The design of most of their system and extensions is 90% of the way to fully segregated. But alas, sometimes you just have to work with what you already have.
It's still pretty remarkable by US experience that it is actually under the projected budget and timeline.
I also think that quoted ridership projection is small. When combined with North Link and Lynwood, I think they are projecting 70,000 from that segment, and 114,000 system wide (not counting East link, I think). It is very confusing how they break down the estimates by different segments of the same line...
I think once ST2 is fully built out (North, South, and East), they estimate all of Link will see 280,000 daily riders in 2030 (and that is without the impacts of the yet to be voted on ST3).
The interesting thing though, is if projects come in under budget, that surplus money is put back into the ST2 program and used on "bonus" plans. Like if University, Northgate, and Lynnwood save enough money, they can put that money into building to Everett immediately instead of making it a part of ST3.
Quote:
Originally Posted by xd_1771
This makes our proposed investment in Broadway rapid transit look puny by comparison.... when you look at the capital cost per added rider (which nobody actually does these days  )
At least the University Link extension is likely to tie into a decently designed and potentially very competitive extension further north. I checked out some of the design videos. Looks like it's going to be almost fully grade-separated, and the designers aren't going to pull any of the shortsightedness that previous designers did on MLK way....
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The Northgate extension is already under construction (since 2012). They basically moved the tunnel boring machines from the University to Northgate mall right when they were done. One of the machines just had some trouble last month, but I think they are more than half done the tunneling portion of the project. It should be done in 2021.
And MLK Way isn't shortsighted. For being in a street median, it is very segregated. Most side streets are made right turn in/out only. And the street itself is still 4 lanes wide, with turning lanes at intersections where turning is permitted and has plenty of pedestrian space. It also passes through an area that is not too busy and runs parallel to I-5 and Rainier Ave about 1km away. Trains have signal priority and don't stop between stations. It's a great location to run at grade to save some money.
However, considering that the Pacific Highway south of Seatac is pretty much the same as MLK Way, and they are going to run it elevated there, I'm surprised they did run it at grade on MLK.