Spring Rush not just a transport issue

Editor's Note: China is now in the middle of the annual Spring Festival travel rush (chunyun), the largest human migration in the world, during which 3 billion trips are expected to be made. The massive scale of chunyun is a severe test for China's transportation system. How to reduce the pressure on the transport infrastructure during chunyun? Two experts share their views on the issue with China Daily's Liu Jianna. Excerpts follow:

More than just a traffic problem

Jia Yuanhua, a professor of transportation engineering at the School of Traffic and Transportation, Beijing Jiaotong University