A hazard is .
a term for materials that are toxic or flammable
not a relevant term related to commercial vehicle safety
a road condition that could potentially cause danger
any road condition or driver that could potentially cause danger
In judging the safe speed on a deep downgrade, one must consider all of the following except .
how steep the grade is
how heavy the vehicle and cargo are combined
how fragile the cargo inside the vehicle is
the quality and condition of the road
