Troopers responded to reports of a crash on Haul Street in South Boston shortly after 7 a.m. on Wednesday.
The driver of a Nissan Rogue failed to stop at a red light and struck a tractor trailer. The 59-year-old man, who has not been identified, was taken to Tufts Medical Center with serious injuries and was later pronounced deceased.
Police are still investigating the reason why the man ran the red light.
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