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Paper link

A unified dataset for the city-scale traffic assignment model in 20 U.S. cities

Analysis

research gap

• 传感器数量有限，难以获取城市规模的数据
• 流量分配模型中使用的数据由各个机构负责，在结构、粒度和输出格式方面缺乏标准化 目前还没有一个统一的、经过充分验证的多城市交通数据集，覆盖了全市范围内的整个城市道路网络，这阻碍了跨城市进行综合城市研究以发掘新发现的可行性!

  work

contribution

Open source

*National Household Travel Survey , to produce traffic data for each local urban area that represent residents’ travel patterns *travel time *[average speed] (https://www.waze.com/live-map/)

• The LODES dataset includes commuting data for the workforce in all states across the United States over multiple years, which have been widely used in existing studies