Mokelumne Hill Motorcycle Accident Sponsored by: By B.J. Hansen Published May 30, 2009 04:20 pm Updated May 30, 2009 04:23 pm Hwy 49 View Photos Mokelumne Hill, CA — There is a motorcycle accident on Hwy 49 just south of the Mokelumne River. An ambulance is responding. Travel with caution in that area as of 4:20pm.