World's longest hands-free bus route opens
8 August 2011 Last updated at 00:02 BST
The world's longest guided busway has opened in Cambridge.
The busway provides a separate path for buses away from normal traffic, takes up less room than a road and allows buses to rejoin other vehicles for routes through the city centre.
But opponents say the scheme is two years late, massively over budget and should have been a rail link instead.
Our transport correspondent, Richard Scott, went for a ride to find out how it works.