Ambulance Responds To Accident Sponsored by: By B.J. Hansen Published Apr 7, 2010 04:00 pm Updated Apr 7, 2010 04:00 pm Arnold, CA — An ambulance is responding to a vehicle accident on Hwy 4 near Big Trees Parkway. Travel with caution in that area. The vehicle is off the road and not affecting traffic. Written by email@example.com.