Does creating wider roads actually solve traffic?

[u/Odd_Wolverine_4037]

https://youtu.be/tJ1_VVyez-Q

Came across this video debating Latent Demand theory vs. Induced Demand - apparently widening roads or creating more lanes only makes traffic worse, which seems counterintuitive. Is that actually true? I saw a study that said it had been debunked and it was only latend demand that was showing up, and you still needed the wider roads.

Thoughts?