Image depicting the evolution of traffic spikes from ancient caltrops on a battlefield to modern security spikes at a checkpoint

This image illustrates the transformative journey of traffic spikes over centuries. On the left, ancient caltrops lay scattered on a battlefield, used historically by Roman and Japanese warriors to impede enemy movements. On the right, modern traffic spikes are employed at a security checkpoint, demonstrating their adaptation to today’s needs for vehicle control and security, highlighting their enduring relevance and versatility in safeguarding restricted areas.

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