A motorcyclist is dead following a crash in Alameda County Thursday afternoon, CHP said. CHP said they received reports of a crash eastbound I-580, east of Eden Canyon Road, at around 4:23 p.m. According to officials, a man was riding a motorcycle eastbound on I-580, east of Eden Canyon Road w hen he got involved in a crash with another vehicle. As a result, the man landed in the left lane, where a truck traveling also in the left lane struck him, authorities said. CHP reports the man was pronounced dead. The crash temporarily closed the two left lanes of I-580, but it has since been reopened. ...read more read less