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Aim higher, reach further. Get the Wall Street Journal $12 for 12 weeks. Cruising at 85 mph: Texas Opens Fastest Highway in U.S. Texas opened a 41-mile stretch of State Highway 130 today with a new speed limit of 85 miles per hour â the highest legal limit in the U.S.
I-15 in Nevada I-15 is 125 miles of highway with few curves, leading to drivers being bored and driving way too fast. Many drivers lose control on this stretch of highway, making it one of the most dangerous roads in the U.S. to drive. I-10 in Louisiana This road is dangerous because of the state of the road. Soft swamp land doesnât make for a great foundation for an interstate. Hurricane Katrina also caused plenty of damage.