Approved and funded.

The Silver Line is a done deal. At 10:00 am this morning, right about as this post is being written, Transportation Secretary Ray LaHood is signing an official funding grant for $900 million. The first phase to Tysons Corner and Wiehle Avenue will open in 2013, and the remainder to Dulles Airport and Loudoun County in 2015.

More coverage at the Post and WTOP.

Woooooo!