A major emergency services operation was mobilized on the A66 in Middlesbrough following a serious collision, prompting extensive road closures and severe traffic delays across the area.

The incident occurred on a busy stretch of the A66, drawing immediate responses from Cleveland Police, fire and rescue services, and multiple ambulance crews. Upon arrival, emergency personnel secured the scene to manage traffic flow, assist those involved, and facilitate urgent medical care.

Motorists were met with substantial gridlock as authorities implemented immediate diversions to safely clear the wreckage and conduct preliminary collision investigations. Drivers traveling through the area experienced significant delays while engineers and emergency teams worked to restore normal traffic conditions.

Cleveland Police have launched a formal investigation to determine the exact circumstances leading up to the crash. Law enforcement is urging any drivers who may have witnessed the incident, or who possess relevant dashcam footage capturing the moments before the collision, to come forward and assist police with their inquiries.