You may want to read the article then, it's full of examples to prove that the concept is not silly. > No one's like "there's a new lane on the 5 and it's not

You may want to read the article then, it's full of examples to prove that the concept is not silly. > No one's like "there's a new lane on the 5 and it's not moving any faster than it was before, I think I'll start taking it". The point here is that the new lane does actually "solve" traffic immediately after it has been opened. The improved travel times create the demand and eventually this leads to more congestion.