39. Traffic jam is one of the most common issue in the big city on the world.

40. There are many people use the road and it is one of main reason cause trafic jam.

41.We are solving the traffic problem by encouraging people to use bicycle rather use car in the short trip.

42. People should use public transport to reduce the number of private vehicles on the road.

43.Moving big company factories to countryside can help reduce traffic jams.

44. All streets are widened and traffic lines are more logical.

45. Heavy penalties are used for those who break the traffic law