"JDC"
WP did a story analyzing why, in its view, Metro is so hard to maintain based on design decisions made by its planners. https://www.washingtonpost.com/graphics ... intenance/
This article has so many error in it it's not even funny.
The graphic showing crossovers and pocket tracks is missing 10 crossovers and locates 1 incorrectly.
The missing are, south and east of Fort Totten, south of Takoma, east of West Falls Church, east of Foggy Bottom, east of Cheverly, north of Pentagon City, East of McLean, East of Spring Hill and east of Beulah Road. The one east of Potomac Avenue should be east of Eastern Market.
There are no spurs from the mainline, they are leads, as in tracks that
lead to yards and tracks that connect the Red line to the rest of the railroad.
Here is a
map showing all of the interlockings in the system.
The graphic showing station construction type is missing one built in rock, there are no stations built using the New Austrian Tunneling Method.
Rosslyn is built in rock. Georgia Avenue Petworth is cut and cover, Columbia Heights is a hybrid, I was excavated from under a cut and cover concrete arch support by slurry walls. The water proofing described is not New Austrian Tunneling Method. New Austrian Tunneling Method is a way of boring tunnels through sedimentary soils without the use of boring shield or machine followed by prefabricated tunnel linings and or steel ribs with lagging and a poured in place concrete lining. The water proofing described was used in tunnels bored in rock and sedimentary soils and on tunnels and station built using cut and cover.
The tunnels between Columbia Heights and Fort Totten and the tunnels between Tysons Corner and Greensboro were excavated using the New Austrian Tunneling Method.
The Washington Post committed journalistic malpractice by not doing sufficient research in preparation of the article.
John in the sand box of Maryland's eastern shore.