Comparing LA's transit system to London and New York

Los Angeles is hoping to host the 2028 Summer Olympics, and is using its investment in a regional mass transit system as a selling point. How does the experience of riding on LA's subway compare to London, host of the 2012 games, and New York, which has never hosted the games? And what can LA learn from those two cities?

Host Frances Anderton looks at design and architecture from a Los Angeles perspective.