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| Re: WMATA: Agencies fantasy map (626355) | |||
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Re: WMATA: Agencies fantasy map |
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Posted by Sand Box John on Sun Jun 1 09:47:07 2008, in response to Re: WMATA: Agencies fantasy map, posted by Dupont Circle Station on Sun Jun 1 02:03:29 2008. I would add a southward continuation from the Red line in Wisconsin Av from where it currently heads east around Van Ness to a junction with the new Crosstown at Georgetown. (Allowing trains to head both to downtown or Virginia).Did you look at the WMATA Rail Capacity Presentation (423 KB PDF file) dated 04-18-2008? More specifically page 12 (PDF file page 15). The map on that page shows what look like provision for a future route up Wisconsin Avenue west of the Georgetown station. The provision only allows movements between the Red line and the M Street subway to the east, no provision for movements between Red line and Virginia. I did a search of WMATA's web site for details on that map and came up empty. Also include a rail connection between the Red and the Crosstown south of Dupont in addition to the Blue/Orange. It is my understanding that the Longfellow station on the M Street subway will have a paid area transfer tunnel connecting to the Farragut North station. The middle of the platform of the Longfellow station is under Connecticut Avenue. I am guessing that the transfer tunnel will end up being built under the pocket track north of the Farragut North station and will emerge into Farragut North station through an opening in the north end of the platform. There is no room to build the transfer tunnel above the pocket track north of the Farragut North because of the presents of the chill plant and the traction power substation north of the L Street entrance mezzanine. The full length M Street subway west of 16th Street to Rosslyn will likely be built in the bed rock. The bottom of the existing Red line tunnels at M Street are roughly 10' blow the top of the bed rock line. The line and stations along the M Street subway will likely be built in an island platform configuration leaving little room in the M Street easement for the additional flying junction tunnels between the A route Red line and the M Street subway. It will likely be even more tricky then the building just the flying junction between the A route Red line and the C route Blue Orange lines. There is barely enough room along I Street to put in the Red line south to Blue Orange line east tunnel. There is enough room along Connecticut Avenue for the flying junction tunnels. The interesting thing about the map on page 15 of the WMATA Rail Capacity Presentation is it creates a return loop through the urban core for trains coming from and returning to Virginia (Blue, Orange, Silver and Yellow). I edited my track schematic to show what the system might look like. If you would like to see it I will post it. John in the sand box of Maryland's eastern shore. |
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