The article has a lame explanation of latent demand. Sure some switch from surface streets to the highway. But people also decide to make more trips, commute

The article has a lame explanation of latent demand. Sure some switch from surface streets to the highway. But people also decide to make more trips, commute further, or use public transportation less. So the result is after an adjustment period of about one year there's almost precisely as much traffic per lane as before.