Across the world diverse experiments are under way offering hope of breaking the gridlock using new smart technologies.
Now available to listen to on BBC World Service, the OU's Dr Tony Hirst is one of a panel of experts discussing solutions to the transport conundrum in A Route 66 of the future: Digital Travel.
This is one of six episodes in the series A Route 66 of the future, produced by BBC's World Click programme (formerly Digital Planet) and the OU, and all available to listen to online.
Find out more about Click series on OpenLearn.

