Not so much.
Let me clarify: If their intent was to have an impact on Friday morning rush hour, or even a presence lining the shoulders - Fail.
Really, the rain is usually all it takes to essentially shut down the beltway and make life miserable. Every report I have indicates very, very few truckers showed up to play.
How does this fare for DC this weekend? Not sure, still thinking about it. I think the political tensions are dropping among the "Establishment", not escalating. And if they bump the Debt Limit? Sunday in DC will be just another day...