Nowadays there are a lot of traffic problems.Firstly,there are so many vehicles on the streets and alleys from buses,cars,to motorbikes and bicycles.The country has the most motorbike.Moreover,the streets are very narrow and bad.They are easily flooded when it rains so heavily.The streets and alleys become bumpy after the rain.Many traffic users don't obey the traffic rules.They usually drive and ride very dangerously.As a rusult,there are traffic accidents every day in this country.