How Houston's bus system became a model for mass transit

After a major redesign, Houston's bus system is now a model for redesigning mass transit. More

This summer, Houston officials dramatically restructured the route of municipal busses to streamline service reflecting where people live and work -- all for almost no additional cost. Now, the system may be a possible model for how other cities redesign their public transportation. Special Correspondent Karla Murthy reports.

AIR DATE 10/9/15