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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.
Speed limits in the United States vary depending on jurisdiction, with 75 to 80 mph common in the Western United States and 65 to 75 mph common in the Eastern United States. States may also set special speed limits for trucks and night travel along with minimum speed limits. The highest speed limit in the country is 85 mph, which is posted on a single stretch of tollway in rural Texas.