Strategies for improved collection of national travel data

Good travel data are essential to measure and monitor the performance of the U.S. transportation system and to help guide policy choices and investments in transportation infrastructure, says a new report from the National ...

Decadal survey of astronomy and astrophysics

A new report by the National Research Council identifies the highest- priority research activities for astronomy and astrophysics in the next decade that will "set the nation firmly on the path to answering profound questions ...

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