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| Re: WMATA: Dulles Corridor Metrorail Project Pictures 04 15 2012 (1152043) | |||
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Re: WMATA: Dulles Corridor Metrorail Project Pictures 04 15 2012 |
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Posted by Sand Box John on Thu Apr 19 22:46:26 2012, in response to Re: WMATA: Dulles Corridor Metrorail Project Pictures 04 15 2012, posted by RoldanTTLB on Thu Apr 19 16:22:21 2012. I guess I have a really dumb question, and I'm sorry if it's been asked before, but why was this built out of the way in the median of 267 as opposed to adding WFC to the route and using the connections to the yard that were already there to just go right under Rt 7 (expensive additional tunneling under 7 until where it comes out on top of 7 now), or just putting the switches after WFC and going right on top of Rt 7 from there? I guess going the route they did allows for a station on the northern end of Tysons, but I don't get it. The route seems unnecessarily circuitous.A similar schema was considered and rejected for the some reasons mentioned by Avid Reader in his post in response to you question. See alternative T7 below.  It was built out the Connector Road because when the K Route Orange line was built in the 1980s provisions were built to accommodate the junction and columns for the flyovers to run the route in the median of the Connector Road. As a matter of fact the provisions were completed before construction even began on the Connector Road.  The column stub in this picture taken in the 1980s now carries the inbound track N1 that flies over the westbound lanes of VA I-66 and and the tracks of the K Route Orange line. When the provisions were built it was envisioned that the branch would run directly to Dulles Airport, What made the whole project economically feasible was the idea of diverting the route through Tysons Corner.  John in the sand box of Maryland's eastern shore. |
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