“Seven years ago, the District of Columbia made an ambitious commitment: It would aim to eliminate traffic deaths in the city by 2024. Christened Vision Zero, the program prompted other cities and jurisdictions in the region to follow, instituting several projects, like reducing speed limits, adding more protected bike lanes, and other safety infrastructure.

“But all over the D.C. area, the project has failed. Not only have traffic deaths persisted — they’ve reached their highest numbers in nearly 15 years.”

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