What could lead to receiving a speeding ticket in a 55 mph zone?

Driving at 55 mph in a zone where road or weather conditions warrant a slower speed can indeed lead to receiving a speeding ticket. The law requires drivers to adjust their speed according to the conditions on the road, which includes factors such as rain, fog, snow, ice, and heavy traffic. Even if a driver is adhering to the posted speed limit, if the conditions require a reduction in speed for safety, not doing so can be considered unsafe driving or "driving too fast for conditions." This principle is crucial for maintaining safety on the roads, as it accounts for factors beyond just the posted speed limit.

In contrast, exceeding 70 mph in a 55 mph zone directly violates the speed limit, but that specific offense wouldn’t be tied to conditions affecting safety. Driving under the speed limit generally does not warrant a ticket unless it disrupts traffic flow or is considered unsafe for the conditions. Lastly, driving with a silent engine does not inherently relate to speeding or safety issues in this context.