A Walla Walla bicyclist had a green light before he was hit by a semi-truck, witnesses told police.
The fatal collision was at the intersection of Ninth Avenue and Alder Street in Walla Walla at 11:56 a.m. Monday.
Ramiro Trevino, 61, was riding his bike west on Alder, when he started to cross the street, said Walla Walla police.
A semi headed north, driven by John Mehlschau, 59, of Reno, Nev., hit him.
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Trevino was taken to Providence St. Mary Medical Center, where he died.
The Washington State Patrol is helping with the investigation.