A los angeles-bound greyhound bus that left from salinas this morning, was involved in a head-on collision in Atascadero. A 22-year-old driver (who is believed to have been drunk) wound up in the wrong lanes of highway-101, and collided with the bus. The accident occurred between the traffic way and san anselmo road exits. Passengers were transported to a nearby restaurant, where they waited for another bus. Several bus passengers sustained minor injuries. the drunk driver was taken to a local hospital to be treated for a broken arm.