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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.
All of the roads in the US have a speed limit, the average being around 75 mph, with some areas in Texas and Utah reaching 80 mph. Road speed limits are used in most countries -- and are endorsed by the World Health Organization -- as a way to reduce road casualties. The highest speed limit ever introduced was in Abu Dhabi between 2005 and 2010 where the limit was set at 99 mph. The speed limit was reduced in 2011 to 87 mph. In Germany, some autobahns have no speed limit, but an advisory limit of 130 km/h (80 mph) was established in 2008.