Pro: Information obtained from the black box after an accident may help manufacturers correct dangerous flaws in cars of the same make and model. Data collected may also help engineers improve the design of future cars. There is little debate over improving the safety of automobiles; most people favor improvements in safety.
Con: Most people would not want significant increases in the costs of vehicles: the gains offered by black boxes would not justify the decision to put them on cars if the costs were substantial. Since they are not likely to be options, the devices will add to the cost of cars and give consumers no choice but to pay an increased price.
Con: There is some concern that the privacy of drivers may be violated when certain parties access information from the onboard recorders.
Pro: Data collected by these devices would be very useful to law enforcement agencies and the justice system: the boxes would generate impartial, reliable information that would enable courts to evaluate the claims made by those involved in traffic mishaps.
Con: An unreliable box could result in an unfair prosecution of a driver.