Because there are no requirements for the lifetime of the vehicle that is clear. Make a car with a lot of life. Disrepair and bad conditions on the road on a regular basis, which is the cause of obstructed traffic.
Since there are no restrictions on the lifetime of the car. The car was last active. There are often dilapidated and broken on the road regularly. This is causing a traffic obstruction.
Due to the lack of regulations about the life of the vehicle is obvious. Make a car with a lifetime. Are dilapidated and often on the road. The cause of the obstruction to traffic.