Two people were seriously injured when a speeding car roared into Morrison during rush hour Monday evening, slamming into four vehicles and leaving a swath of destruction on the four-lane highway.The driver of the speeding vehicle, Christopher Walpole of Nashville, was airlifted to Erlanger Medical Center in Chattanooga from the nearby Morrison Fire Hall. Kimberly Sherrell of Manchester was also airlifted. She was the driver of one of the vehicles Walpole hit as his car pinballed through traffic on Manchester Highway around 5 p.m.According to Highway Patrolman Chris Adams, the wreck, from beginning to end, covered nearly 1,000 feet, beginning at the main red light in front of Hullett’s.“Mr. Walpole ran the red light and struck an F-150 driven by James Helton of Morrison,” said Adams, noting Walpole was heading inbound, toward McMinnville, on Highway 55 at a high rate of speed.