[eclecticEel]

$3.5 - 4 b, and all you get is 11 1/2 measly miles of track?

[george76]

Your tax dollars at work.

Much of new burden falls on car drivers who are not using the train.

[Blue Jays]

$4B apparently doesn’t go as far as it used to these days!!

[Interesting Times]

$3.5 - 4 b, and all you get is 11 1/2 measly miles of track?

They have to dig large holes under high-density areas that include Tyson's Corner. Presumably they are trying to avoid having any large buildings fall down in the process.

[RobbyS]

They could have done this 25 years ago for far less. They didn’t because Congress was determined to keep National Open. It was their private airport.