A tragic lorry accident happened in May 2020 in one of the tunnels on the Prague ring road (https://twitter.com/i/status/1262396278086021136).
The lorry failed to steer into the corner, drove up onto the concrete barriers and crashed into the wall of the tunnel. Two people were trapped in the cab and had to be freed by firefighters using hydraulic cutters. The driver was injured, the passenger did not survive the accident.
According to traffic experts, the accident was caused by a microsleep. Do not forget about regular rest and relaxation. It could save your life or the lives of others.