This is the second of two KPCC stories on safety and the burgeoning business of casino tour bus brokers. As the buses have grown in popularity, regulation has become more lax, with dangerous consequences for passengers and other drivers on the road. Here's a link to part one.

As we been hearing all week on the program, the buses that carry people to and from casinos are a booming business in Southern California. But they've also been involved in a string of recent accidents.

RELATED: Is the tour bus you're taking on California's watch list? 

Despite the popularity of these casino bus tours, KPCC has found regulation has become more lax. Ben Bergman has the second of two reports.