Question

A town's public works department is concerned that a certain intersection is dangerous for cars and

therefore needs a stop sign. What data could the department collect to prove the need for a stop sign
at this intersection?​

Answer 1

The data the department should collect is the incidents that occur at that intersection.

Explanation:

The question told us that the Public Work's department is concerned that an intersection is dangerous and needs a stop sign. Due to them saying that it is dangerous, we would want to know how many incidents occur as that will let us know if it is dangerous or not.