Atown engineer comes to the city council with a proposal to install a traffic light at a certain intersection that currently has a stop sign. the benefit of the traffic light is increased safety because the light will reduce the incidence of fatal traffic accidents by 50 percent per year. which of the following statements is correct?

The city council should carefully evaluate the benefits of reduced fatalities against the costs of the light and the extra time that the drivers will spend waiting for a green light    

Explanation:

                 When the town engineer approaches the city council with a plan to install a traffic light at a certain intersection which will increased safety and will reduce the incidence of fatal traffic accidents by 50 percent per year, the city council will have to first evaluate the cost of installing the new traffic light signal at the cross section and the possibility of the proposal.

                Secondly the city council should evaluate the benefits of installing the traffic lights at the cross section comparing it with the installation cost of the traffic light to arrive at a conclusion.

Thus the answer is :

The city council should carefully evaluate the benefits of reduced fatalities against the costs of the light and the extra time that the drivers will spend waiting for a green light.