Update: Marsh Road is re-opened.
A single vehicle traveling east on Marsh Road jumped the fence and crashed into the ditch that runs along the south side of Marsh Road. Atherton Police and the Menlo Park Fire Department are on scene, and have shut down eastbound Marsh Road until the vehicle is removed. Westbound Marsh Road will be opened periodically until the tow truck arrives. Marsh Road lanes are expected to reopened at approximately 7:00 pm.