Southern Arizona home to nation's only metric highway
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. It soon became a major ... > react
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Southern Arizona home to nation's only metric highway
- Arizona
- San Carlos
- US 70
- source: Bing
- 4 views
- Jun 03, 2024 07:00am
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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. It soon became a major ... Read More
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