Slippery Rock Volunteer Fire Company redirects traffic at the intersection of Route 8 and Franklin Road Tuesday morning, Oct. 22, which was about a mile away from the scene of a flipped tri-axle truck in Mercer Township. Eddie Trizzino/Butler Eagle

MERCER TWP — One person was flown by medical helicopter to a hospital from the scene of a tri-axle truck crash Tuesday morning, Oct. 22, on Route 8 in Mercer Township.

Scanner activity indicated the driver experienced a head injury and was outside the vehicle at the scene near 4202 Route 8. The crash was reported before 10:45 a.m.

Slippery Rock Volunteer Fire Company redirected traffic from Route 8 onto Franklin Road. Emergency responders were asked to close Route 8 to traffic at Franklin Road and East Mercer Street.

State police were at the scene of the crash.