All of the above because they are not just for emergency cars or something they all are used for other things too
D.
The use of money increased, and a system of credit evolved.
Answer: The city council should careful 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: Installing the traffic light which could reduce the fatalities caused on the highway is a good development. However, there are more factors to be considered when embarking on projects of such nature. The projected cost of a project is just as important as the project to itself. It project cost is so high such that the community does not have the required fund to cater for it, then the project should be delayed or altered for a subordinate solution until funds become available.
The extra time require to wait for a green light, if the commuters cannot be patient enough to follow traffic signals, the effort won't reap the required outcome.
