Dominic Jordan, scientists, representatives of INRIX, commented that the solution to the traffic jam is not easy. Construction or expanding of the roads is not help solve the traffic jam because in fact, the traffic jam is caused by many factors (such as when the economy improves, people will buy a new car and fuel-efficient) some technologies can help, such as automatic driving car cause less stop rate or electric car can reduces carbon emission https://www.meconomics.net/content/834.