These days, there are more drivers and fewer cops to make the boogeyman of a random speed trap seem like a possibility. Showing that there is a cop ahead would

These days, there are more drivers and fewer cops to make the boogeyman of a random speed trap seem like a possibility. Showing that there is a cop ahead would work better, I imagine. One of the reasons why people drive recklessly is because they don't think any cops are around to bust them