By Elisabeth Smith

SOUTH SACRAMENTO (CBS13) — A fatal crash shut down all southbound lanes of Highway 99 at Mack Road Tuesday night.

The California Highway Patrol says two vehicles hit a pedestrian in the fast lane on southbound Highway 99. Traffic was diverted at Mack Road as crews respond to the scene.

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It’s unclear why the pedestrian was on the highway.

The driver stayed at the scene and cooperated with the investigation, CHP said.

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There is no estimated time of reopening.

This is a developing story. Check back for updates. 

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