Speed measuring devices are used to control speed, increase compliance with traffic laws, and:

The use of speed measuring devices to conduct speed studies is essential in traffic management and law enforcement. Speed studies provide data that helps authorities understand traffic patterns, identify areas with frequent speeding violations, and determine the effectiveness of speed limits. By measuring vehicle speeds over a specific period, law enforcement can identify trends and make informed decisions about road safety measures, including adjustments to speed limits, the placement of traffic signs, or the allocation of resources for enforcement.

In contrast, while gathering traffic statistics, aiding in accident investigations, and facilitating vehicle inspections are important aspects of traffic management and safety, they do not specifically relate to the primary purpose of speed measuring devices. Speed studies focus on observing and analyzing speeding behaviors, which is directly linked to understanding and improving compliance with traffic laws.