A release from Cumberland Gap National Historic Park revealed that 21 area agencies will train for emergency response to crashes that involve vehicles located in a tunnel. A release says Park Rangers at Cumberland Gap National Historical Park are called to respond to traffic accidents in and around the tunnel more often than any other type of call.”The Tennessee Highway Patrol, Virginia State Police, North Tazewell Volunteer Fire Department, Lee County EMS and Lee County Sheriff’s Office will be among 21 agencies participating in the training.