Glenn writes about a new book on traffic congestion, and how it’s a bigger problem than people realize.

I’ve often thought that it is a massive economic waste. I also think that there are things that could be done about it that would be relatively low cost, and don’t involved construction of new highways or relaning the roads. As I’ve noted before, if I were king, I’d launch a massive public education campaign on lane discipline, and enforce it with tickets. I’d be harder on left lane hogs than on speeders.