CAMBRIDGE, MASS. (WHDH) - Authorities have identified the bicyclist who was struck and killed by a tractor-trailer in Cambridge last month.

Officers responding to a reported motor vehicle crash at the intersection of Massachusetts Avenue and Dunster Street on the morning of Aug. 18 pronounced 55-year-old Darryl Willis dead at the scene, Middlesex District Attorney Marian T. Ryan and Cambridge Police Commissioner Branville Bard Jr. announced Tuesday.

A preliminary investigation indicates the tractor-trailer driver was traveling westbound on Massachusetts Avenue when the crash occurred.

The 54-year-old man who was driving the tractor-trailer remained at the scene, authorities said. No charges have been filed against him.

The crash remains under investigation.

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