What is the primary purpose of speed measurement devices (SMD) in South Carolina?

• A. To provide entertainment for drivers
• B. To enhance traffic flow
• C. To monitor and enforce speed limits on public roads
• D. To collect data for research studies

Answer: (C)

The primary purpose of speed measurement devices (SMD) in South Carolina is to monitor and enforce speed limits on public roads. These devices are crucial tools used by law enforcement to ensure adherence to speed regulations, which are established to enhance road safety. By measuring the speed of vehicles, SMDs help identify those drivers who are exceeding the speed limits and may pose a danger to themselves, other drivers, and pedestrians. The enforcement generated by the use of SMDs is intended to reduce accidents and fatalities caused by speeding. This aligns with the overall objective of promoting safe driving practices and maintaining order on the roads.

While other options may reflect certain aspects related to transportation, they do not capture the fundamental goal of SMDs, which centers around speed enforcement and traffic safety. For example, enhancing traffic flow can be a byproduct of enforcing speed limits, but it is not the primary function of these devices. Similarly, collecting data for research studies could occur as a secondary effect, but it is not the main focus of their implementation.