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.
Trevino was taken to Providence St. Mary Medical Center, where he died.
The Washington State Patrol is helping with the investigation.