34 KM FROM NOGALES, Ariz.— The highway that runs from Tucson, Ariz. to Mexico is about 63 miles long, but that fact won’t do you any good. That’s because I-19 is the only American highway that fully ...
Correction: A previous version of this story claimed the metric signage began in the 1980s. The decision was made in 1975. A unique stretch of highway in southern Arizona could soon lose what many ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback