The Katy Freeway's 26 lanes and $3 billion price tag offer a cautionary tale: induced demand means more road capacity simply generates more traffic to fill it.
Picture a road so wide that from the middle of it you cannot make out what shops are on the other side. Twenty-six lanes of concrete laid flat across west Houston, wide enough to land a jumbo jet on. Now picture it at five thirty on a Tuesday, packed... [6419 chars]

