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TUCSON, Pima County, Ariz., Nov. 2, 2026 — A vehicle struck a large boulder on Interstate 10 westbound near State Route 83 on Monday, November 2, authorities said. At least two people were taken to a hospital with injuries. The crash happened on Interstate 10 westbound close to the SR 83 interchange in Pima County, according to the Arizona Department of Public Safety.
DPS said a commercial vehicle rolled over in the crash, though it has not said whether that was the vehicle that struck the boulder.
Two people were transported to a hospital for treatment.
DPS said the investigation into the crash is ongoing. We hope those who were hurt recover quickly.
Intersection Crashes in Tucson and Across Arizona
This crash happened at Interstate 10 and State Route 83 in Tucson, AZ. Readers following crash news in Pima County can find more about intersections across the state on our Arizona intersection crash information.
Frequently Asked Questions
What typically causes crashes like this one?
Crashes involving fixed roadside objects can stem from a number of factors, including driver distraction, a vehicle drifting out of its lane, mechanical failure, or a driver swerving to avoid another hazard. Investigators usually review all of these possibilities before determining a cause.
Does speed make a difference in how severe a crash is?
Yes. Higher speeds give drivers less time to react and increase the force of impact, which tends to raise the risk of serious injury when a vehicle strikes a fixed object like a boulder or guardrail.
Why is distracted driving considered so risky?
Taking attention off the road, even briefly, reduces a driver's ability to notice hazards like debris, rocks, or stopped vehicles in time to react, which can turn an avoidable situation into a crash.
Can weather or road conditions contribute to crashes like this?
Yes. Loose gravel, poor visibility, glare, or uneven pavement near highway shoulders can make it harder for drivers to stay in their lane or respond to obstacles in time.
