(Photo courtesy of the city of Mesa)

Fomer Mesa Mayor Scott Smith.

Building roads, extending the light rail line and adding other forms of transportation cost a lot of money. But they're also associated with progress and growth.

So what are some of Arizona's top priorities when it comes to transportation and what should they be?

Our guests were former Mesa Mayor Scott Smith, who was one of the co-chairs of the iArizona committee, which was formed to come up with ways of meeting the state's future transportation needs, and Scott Higginson, executive director of the Interstate 11 Coalition.