Webb also was cited for alleged public intoxication, court records state.
At about 7:19 a.m. Monday, a Jefferson County Sheriff's deputy responded to the intersection of U.S. 340 and W.Va. 230.
At the scene was a white Toyota with heavy damage to its front end, records state.
The driver of the car said he was traveling south on U.S. 340 when a black truck entered U.S. 340 from W.Va. 230, records state.
The man said the truck pulled in front of his car and he was unable to avoid a collision, according to records. The driver of the truck fled the scene heading north on U.S. 340, court records state.
A witness to the crash said he followed the truck to Harpers Ferry Middle School, where the driver parked the truck in the back of the school, records state.
The deputy later received a call from the school's principal, saying he believed the man involved in the accident was a substitute teacher at the school, records state.
The deputy went to the school office where Webb was sitting. Webb told the deputy he was involved in an accident and that he left the scene, court records allege.
Webb stated he was going to call police later in the day, records state.
The deputy noticed a strong odor of alcohol coming from Webb and Webb agreed to take a test to determine his blood alcohol content, records allege.
Webb took the test, which revealed he had a blood alcohol content of .275 percent, court records state.
The legal limit is .08 percent.