Spike barrier or strip on the road for control the traffic. yellow mechanical spike barrier Stock Photo - Alamy
Automatic Spike Barrier
Traffic Spikes in Gated Community | Roadshark International Inc.
Predator Tyre Killer Barrier with Retractable Tyre Spikes.
SPIKE BARRIER/ TYRE KILLER : Leaptor
What are the benefits of spike barriers? - B2B Central
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Spike Barrier to Stop Thefts | Roadshark International Inc.