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Fast_Polaris22 t1_irgkmex wrote

Reply to comment by gordosport in TIL Interstate 19 running between Tucson and Nogales is the only freeway in the US with distances labeled exclusively in kilometers. by captain_flak

America has officially adopted metric but has never implemented it.

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captain_flak OP t1_irgrdvn wrote

The powerful milk and dairy lobby was against it. It would have resulted in a total overhaul of their industry.

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B_P_G t1_irhunkz wrote

There's no way for the government to force anyone to use it. The system is out there. Everyone knows about it. Some people and industries use it but most don't. It's a major burden to switch and it isn't worth it.

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