When:
November 25, 2017 all-day
2017-11-25T00:00:00-07:00
2017-11-26T00:00:00-07:00
Where:
http://en.wikipedia.org/wiki/National_Maximum_Speed_Law
On 25 November 1973, a presidential order reduced the driving speed limit from 70 mph to 55 mph.
Image courtesy of Pixabay.com user OpenClipArt-Vectors, CC0.s