Marin County prosecutors charged 73-year-old Peter Buchanan with assault with a deadly weapon, reckless driving and hit-and-run driving Wednesday.
Authorities say Buchanan, an attorney, was returning to his office on Dec. 27 when he drove through a line of cones in Mill Valley and hit David Ramsey, a member of a Caltrans crew.
To avoid getting run over, authorities say Ramsey jumped on the hood of the Mercedes. But Buchanan allegedly continued driving, heading north on Highway 101 at speeds of 40 mph.
Authorities said Ramsey was able to jump off after two drivers blocked Buchanan's car when it exited the highway. Ramsey was not hurt.
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Information from: Marin Independent Journal, http://www.marinij.com
