Because the journey is not easy, as many people are already living there as the vehicle to travel back and forth a lot. As a result, an accident easily.Also want to take the time to travel.
Usually in the travel inconveniences such as having people live a lot. There are also a lot of car traffic. The accident-prone as it takes time to travel.
Because in the city travel inconvenience, such as people live is much also has a car traveling a lot. Resulted in the accident prone also takes on a journey!