This document provides an overview of transportation trends in China from 1980 to 2010. It discusses the rapid growth of China's population and economy during this period, which drove increasing demand for transportation. All major modes of transportation, including railways, highways, waterways and airports expanded significantly. However, this growth also caused environmental issues like air pollution and increased China's share of global energy use and carbon emissions. The document analyzes transportation and emissions data over this period and discusses the government's efforts to address problems and encourage more sustainable transportation.