An abandoned 911 call preceded the emergency response for a lone motorcycle rider injured in a crash last Monday near Box Canyon on Highway 5. “The lone rider was found on the roadway by passing motorists,” reported Cpl. Carmen Kiener, media relations of the UFRD about the incident last week. The highway was closed for more than eight hours, man was airlifted to hospital with serious injuries, where he remains, police said. “No other vehicles ar…