Hold your horses (1973)

Cars are driving along the serpentine.

The interior of the bus with people.

The dispatcher of the bus station (synchronously).

Photos of an accident with a bus.

Classes with drivers (synchronously).

The interior of the bus, people are getting ready to get out.

A cyclist rides in front of the bus.

The bus slows down sharply.

The bus skids onto a pole.

One of the drivers tells a case from his practice (synchronously).

Serpentine.

The driver is in the cab of a milk truck.

The milk truck rides along the serpentine, swerving from side to side.

A laboratory assistant at the dairy takes a sample of milk.

The teacher tells his story (synchronously).

Photo of an overturned gasoline tank.

Analysis of an accident with a bus (animation).