claybrook is concerned that a lot of these metro bus drivers simply aren't aware 1/2 of the sheer size a huge problems among city bus drivers and some make mistakes from the stress of trying to keep up with the schedule. we approached some driver on the street to ask about their training. they wouldn't comment. >> step back, please. >> reporter: can you talk to us about your training? >> no, sir. >> reporter: but metro official says the training is exceptional. >> we carry about 543,000 passengers on a given wee diehl. the challenges of pedestrians, double parking, events that are taking place, construction, but the numbers are getting better. we think that the program works. >> reporter: that means he says they're using they videos as a training tool for thinks driver. metro bus officials say accidents are trending down, with only two customer injuries per 1 million passengers trips, wolf. >> here's a question, though, brian, are they disciplining these drivers for these incidents? >> they say they have done that. in some of these cases, and they say they do have a zero-tolerance poli