What happens when vehicle tyres pass over rumble strips?
Signage: Vertical signs
When the tires pass over rumble strips, they generate vibration and/or noise in the vehicle to alert the driver that they are drifting off course so they can correct their trajectory.
Explanation
Rumble strips and their effect on the vehicle
**Longitudinal rumble strips** are small **grooves in the pavement** or **raised elements on the road marking**.
When the **tyres** pass over them, a **vibration** and/or a **noise** is produced in the vehicle.
The purpose of this effect is to **alert the driver** that the vehicle is **unintentionally deviating** from its path, helping to **correct the steering** and avoid running off the road.
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