Two tractor-trailers and a car crashed near the New Jersey side of the bridge's upper level.
Luis Enriquez, 62, stepped out of his delivery truck near West 73rd Street when he was hit, sources said.
The unidentified pedestrian, who was hit near West 102nd Street, was taken to St. Luke's Hospital.
City school bus accidents led to more than 900 injuries last year.
The victim was hit near Havemeyer Avenue Thursday morning, according to the FDNY.
A man in his 30s was struck on Westchester Avenue near Glover Avenue, police said.
The accident in Morrisania was the second crash involving a school bus Monday morning.
Police are looking for a cyclist in a fluorescent vest who may have seen Tuesday's accident.
The building at 224 W. 57th St. is the future city office of a nonprofit founded by George Soros.
The school bus and a Mercedes collided near 62nd Avenue, FDNY officials said.
The victim was rushed to Kings County Hospital after the crash near Ralph Avenue, the FDNY said.
A collision between two buses forced some commuters to walk through the tunnel.
Andrew Schoonover, of Florida, was trying to cross the street when the truck hit him.
A decision on Wyckoff Avenue's proposed bike rack was postponed by Bushwick's Community Board 4.
Nine people were injured in the crash at 31st Avenue and 36th Street, the FDNY said.
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