Just before 9:45 a.m. Pittsburgh Bureau of Fire, Police and EMS responded to a single vehicle collision inside the Armstrong Tunnel on the inbound side of the tunnel.

When firefighters arrived on scene they found a vehicle that had hit a wall with a female victim inside the vehicle.

 Firefighters attempted to revive the female, but she was pronounced deceased at the scene. There were no passengers and no other vehicles were involved in the collision.

Officers from the Collision Investigation Unit spoke with witnesses and will investigate the cause of the crash.

Update 3: 3:26 p.m. - I'm spite of earlier information, the tunnel has now been reopened. The lights are still out at 2nd Ave. and 10th Street. Please continue to be cautious.

UPDATE 2: 1:31 p.m. 01/01/20 - A decision has been made by a Pittsburgh Bureau of Police Traffic Sgt. to keep the Armstrong Tunnel closed in both directions until the lights at the 2nd Avenue and 10th Street intersection are repaired. 

UPDATE: 12:55 p.m. 01/01/20 - A utility box that controls the traffic lights at the 2nd Avenue and 10th Street intersection outside the Armstrong Tunnel was struck during this collision. 

As a result, Duquesne Lights is on scene to repair the traffic lights, which are not functioning at this time. This intersection will function as a 4-way stop until the lights are repaired.

The tunnel remains closed, but is expected to open soon. The lights inside the tunnel are not affected.