The bodies of nine students who went missing on vacation in southern Mexico last month have been found dismembered by the side of a local highway — with a bag of hands nearby.

That’s because I-19 is the only American highway that fully measures distance in kilometers, a relic of a failed effort in the 1970s for the U.S. to adopt the metric system. Some 50 years later ...

The Carter Administration did get one interstate highway to adopt the metric system. The 63-mile long I-19 in Southern Arizona became a 102-kilometer long interstate. ADOT ...

The highway where they were found is also the main route between Mexico City and the resort of Acapulco. In early October, the city's mayor was killed and beheaded just a week after he took office.

MEXICO CITY (Reuters) -At least 21 people died in an auto accident on Wednesday on a highway connecting Mexico's Oaxaca and Puebla states, a top state official said.

I-19, which connects Tucson and Mexico, has measured distance in kilometers since the 1970s. It’s now under review I-19, which connects Tucson and Mexico, has run on the metric system since the ...