Traffic spikes (also called tire killers and one-way treadles) enforce one-way vehicle flow — allowing authorized vehicles to pass while puncturing tires of vehicles traveling in the unauthorized direction. Available in surface-mount, in-ground, and hydraulic configurations for parking lots, driveways, and high-security facility entrances.
One-way traffic spikes are angled metal teeth that fold flat for vehicles traveling in the authorized direction, then spring upright to puncture tires of vehicles going the wrong way. They operate passively with no power required.
Yes. Traffic spikes fold flat under forward vehicle weight and only puncture tires of vehicles traveling in the unauthorized direction.
Traffic spikes are passive one-way devices requiring no power. Hydraulic road blockers are powered systems that fully retract for authorized vehicles and rise to block unauthorized entry in both directions.
Yes. Parking lot exit lanes are the most common application, preventing vehicles from entering through the exit and enforcing one-direction vehicle flow.
In-ground tire killers support up to 80,000 lbs when flat. Surface-mount speed bump spikes support up to 40,000 lbs. Hydraulic road blockers support 80,000 lbs or more.
Surface-mounted spikes bolt to existing pavement. In-ground tire killers require a concrete trench. Both are low-maintenance with stainless or galvanized steel construction. Hydraulic blockers require electrical connection and annual hydraulic checks.
In-ground tire killers require a concrete trench poured to the manufacturer depth spec, typically 4-6 inches. The spike housing sits flush with the road surface when armed. Professional installation with road-cutting equipment is required.
Traffic spikes enforce one-way vehicle flow passively at low cost ($800-$4,000). Bollards physically stop vehicles in any direction and are better for pedestrian zone protection ($8,000-$25,000). Use spikes for exit lane control and bollards for building perimeter protection.
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