Every weekday at 9:20 AM on KCBS we're giving you direct access to top experts in various fields.

Ground broke this week on a new high-speed rail route connecting Los Angeles and Las Vegas.

This comes as the highly-anticipated high speed rail project connecting LA to the Bay Area is still after years, just an increasingly-expensive concept.

For more, KCBS Radio's Eric Thomas and Margie Shafer spoke with Genevieve Guiliano, Professor at USC who is an expert on transportation policy, planning and urban geography.