Traveling from Arizona to las vegas. On a 2 way highway we can across a stream of 8 to 10 busses lead by a divine charter bus. These bus drivers are aggressive, going 85 in the left lane on a 2 lane freeway keeping tight and speeding up to ensure cars cannot get around them. These drivers should be professionals, driving with a bus load of people. It's no wonder these bus accident tragedies occur when companies allow their drivers to act as if they own the roads rather than respectively going a speed that's safe for them, their passangers, and the cars around them. Holding a hire standard of their drivers might be the place to start if they're eny bit concerned about safety.