LifestyleGlobal issuesSay goodbye to traffic jamsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyleGlobal issues12/03/2021December 3, 2021In smart cities, vehicles and traffic lights communicate directly to prevent traffic jams. Find out how the system works in Amsterdam, one place where this technology is being tested.https://p.dw.com/p/43mV0Advertisement