Speeding Vehicle Smashes Into Back of Semi, Debris Explodes Across I-75 Interstate 75, Georgia — December 21, 2025 Terrifying dashcam footage captures the moment a speeding vehicle slams into the rear of a semi truck on Interstate 75, triggering a violent crash that sends debris scattering across multiple lanes. The video shows traffic moving at highway speed when the car fails to slow in time, crashing directly into the back of the semi’s trailer. The impact shatters the front end of the vehicl