Houston spent nearly 3 billion dollars widening a single freeway to 26 lanes to kill its traffic — and within three years the drive was taking up to 51 per cent longer, proof of a rule planners keep relearning the hard way: you can't build your way out of a traffic jam
spacedaily.com
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.