Most roads in the USA will not use speed limit units of miles per hour on January 1st 2040.
Created by Mati on 2014-02-24; known on 2040-01-01
- Mati estimated 17% on 2014-02-24
- procran estimated 10% on 2014-03-01
- scrafty estimated 20% on 2014-03-04
- JoshuaZ estimated 35% on 2014-03-06
- lavalamp estimated 2% on 2014-03-06
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