For a lot of Americans, summer means that it's time to hit the open road. We take road trips and endless highways for granted, but there are other countries where people can pay a heavy price just for getting behind a wheel.
Lawrence Ross delved into the "Green Book," a 1957 handbook to help black motorists find safe stops along the highway, and used it to shape a contemporary road trip that celebrated black history, culture, and business.
A production of 
GET OUR PODCAST