According to initial information, the accident occurred at the Km22+950 section in the tunnel at around 2 p.m. as the vehicle was moving south on Da Nang- Quang Ngai expressway.
The collision resulted in front-end damage from a head-on impact with the balcony in the tunnel. A wheel fell off the truck.
Additionally, around 15 meter long handrail section was damaged from the collision.
By 5:30 p.m. on the same day, small automobiles were able to slowly travel through the tunnel.