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Road design 'bible' update leaves safety advocates wanting more

The most important road safety document you’ve never heard of is getting a refresh.

The Manual on Uniform Traffic Control Devices — sometimes called “the bible of road design” — just got an update for the first time in over a decade.

The Biden administration says the changes will protect cyclists and pedestrians, but safety advocates wanted more.

NPR’s Joel Rose reports.


This article was originally published on WBUR.org.

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