A Town Engineer Comes to the Town Council with a Proposal

Multiple Choice

A town engineer comes to the town council with a proposal to build a traffic light at a certain intersection that currently has a stop sign.The benefit of the traffic light is increased safety.In fact, the traffic light will reduce the incidence of fatal traffic accidents by 50 per cent per year.Which of the following statements is true?

A) the project should definitely be accepted
B) the full cost of the stop light will be relatively small since it only includes the purchase and installation costs
C) the decision to install the light is likely to require a complex evaluation of the trade-off between the worth of human life and the lost time waiting for the light to change signals
D) the cost will invariably outweigh the benefit