This happened just before noon on Highway 59 outbound at Elgin.
The man was hit while working on his disabled vehicle on the side of the highway.
He was rushed to Memorial Hermann Hospital after he was struck, but has died from his injuries.
Several viewers called into the ABC13 newsroom after seeing the man lying in the roadway.
We do not know whether the driver who hit the man stopped to render aid.
Stay with ABC13 Eyewitness News for more on this developing story.
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