According to Colonel Nguyen Quang Nhat, the main purpose of "not allowing use of the oncoming lane" is to improve traffic organization, thereby adjusting driver behavior.
A McLaren crashed into a tree, splitting in two and erupting in flames, killing two people.
A 1993 Fiat Panda, trimmed to less than 50 cm wide, achieves a speed of 15 km/h and a world record.