Statement : There is a substantial increase in the number of accidents causing deaths and severe injuries due to malfunctioning of the traffic signals.

Courses of Action :
I. The traffic police should immediately post traffic personnel at the junctions.
II. The signal system should immediately be repaired or replaced.

Explanation:-

Clearly, either the traffic signals should be made to function properly or traffic personnel should be deployed to guide vehicular movement in the right way. So, either I or II follows.