Widening Highways Doesn’t Fix Traffic. So Why Do We Keep Doing It?
https://www.nytimes.com/2023/01/06/us/widen-highways-traffic.html
Widening Highways Doesn’t Fix Traffic. So Why Do We Keep Doing It?
https://www.nytimes.com/2023/01/06/us/widen-highways-traffic.html
@black_intellect Public input.
Honestly, street design shouldn't really give a shit about what non-specifically-educated people think.
Well I can’t read the article behind the paywall, but generally this argument comes down to an issue of unclear goals.
Generally people complain that wider highways are still congested but they miss that those congested highways are delivering more transportation from one point to the other.
The goal of a highway is not (generally) to be congestion-free. It’s to get transportation from one point to the other, so the congestion is actually a sign of more use of the highway to get there, the wider highway being congested being a sign of success in that goal.
“Fix traffic” is a silly phrase since traffic itself is a fix to the problem of people wanting to get from one place to the other. We keep widening highways because it does contribute to that goal, though.
Sometimes yes, sometimes no, depending on the situation.
Traffic is not just a pure, laminar flow. Interactions between vehicles means there is friction all along the route, and that contributes to congestion. Effectively, a crowded street is its own bottleneck.
Just like a pipe carrying water, there is a pressure drop along the length even if there’s no one bottleneck at the end. And just like that pipe, there is more capacity with a wider pipe even though the pressure drop remains.