A state appeals court yesterday threw out a Harlem man’s $1.8 million verdict against New York City Transit after finding he was hit by a bus not because it blew through a red light, but because he wasn’t watching where he was going.

A jury had awarded Claude Williams, 72, the big bucks in 2009, five years after he was clobbered by the city bus at East 125th Street and Madison Avenue.

The bus ran a red light and clipped Williams with its side mirror, but he acknowledged he didn’t bother to look before stepping off the curb.