The CIA is rumored to have its headquarters in Langley, Virginia, but I think there is a branch office somewhere near Alexandria, Minnesota since lots of really good intelligence comes out of that area.
For example last weekend I received word that a Z train with a pair of new GEVO's on point was headed west. With plenty of advance notice, I was able to keep one eye on ATCS and time my adventure almost perfectly. Given the sun angle it seemed like the best shot would be at Bluffton. Sure enough, just as reported, the train showed up with fresh paint leading. When the trucks and fuel tank are as silver as these were you know the power has to be just out of the factory.
I want to take this opportunity to say thanks for the heads-up, not just for this particular piece of information, but for a lot of different tips. They are greatly appreciated, please keep them coming.