Last week we explained the details surrounding the expiration of the transportation bill on Wednesday night and the one-month extension that was passed. Due in part to the failure of a bipartisan plan to shift some revenue to satisfy House budget rules, the states are also losing a total of $8.7 billion in transportation spending, known by the unmistakably Washington-transportation-insider term of a “rescission.” Here’s our attempt to simplify that issue just a little bit for those who are interested in the policy details. Non-wonks, feel free to skip over this one. Just a fair warning! Click through the jump to read in its entirety.