Quote:
Originally Posted by le calmar
The only US highway with a speed limit of 140 (85 mph) is in Texas.
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Yup, and it's only one specific toll highway... 80 mph (130 km/h) limits are also quite rare. You only see them in parts of western Texas, Utah, Wyoming, and Idaho.
Realistically, you can legally go 75 (120 km/h) through most of the western States, and 70 (110 km/h) through the eastern states.
Legality aside, most of the Interstate system is constructed to a very high standard through rural areas, and you can drive along with the cruise set at 80 mph for hours at a time, and generally not have to worry too much about getting pulled over.
The main perk to taking the Interstates is their consistency. When you get on one, you know what to expect, and you know you don't have to worry things like sharp corners. Canada's highways don't really have the same consistency to them, and it makes driving across the country a little more involved.