Mobility and Congestion in Urban India
提出一种估算城市级车辆速度指数的方法，并将其分解为无拥堵速度和拥堵两部分，应用于180个印度城市，发现城市间速度差异主要由无拥堵速度驱动，而非拥堵。
We develop a methodology to estimate robust city-level vehicular speed indices, exactly decomposable into uncongested speed and congestion. We apply it to 180 Indian cities using 57 million simulated trips measured by a web mapping service. We verify the reliability of our simulated trips using a number of alternative data sources, including data on actual trips. We find wide variation in speed across cities that is driven more by differences in uncongested speed than congestion. Denser and more populated cities are slower, only in part because of congestion. Urban economic development is correlated with faster speed despite worse congestion.