It is absolutely not true that the President will federalize the National Guard and block all entrance ramps to the Beltway. Since the eastern half is part of I-95, the major artery of transportation for the entire East Coast, it would be an overplaying of the hand currently held by the White House with respect to its current disagreement with some Republicans in Congress, and the least we would expect in the wake of such a decision, is that governors of several mid-Atlantic states would be on the phone protesting interference with the lines of commerce. What is true, is that the truckers are cooperating with the State Police in both Maryland and Virginia, and expect no trouble.
Other drivers are called upon to show support by having the Twitter hashtag visible from their vehicle: #T2SDA
Oh, one more thing ...
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.
... as long as this is still America. HOO-rah!
(H/T to ABC affiliate WJLA-TV, for giving this much attention to something this obvious.)