![traffic and traffic lights](https://preprod.statescoop.com/wp-content/uploads/sites/6/2021/02/ken-wyatt-Bt02pzZSlsk-unsplash-1.jpg?w=255)
Poorly timed traffic signals are an even bigger time waster than previously thought, report finds
A recent study by the transportation data company Inrix concludes that suboptimal traffic-signal timing is responsible for at least 10% of total traffic delay time.