The highest speed limits are generally 70 mph (113 km / h) on the West Coast and the inland eastern states, 75 -- 80 mph (121 -- 129 km / h) in inland western states, along with Arkansas and Louisiana, and 65 -- 75 mph (105 -- 121 km / h) on the Eastern Seaboard. Alaska, Connecticut, Delaware, Massachusetts, New Jersey, New York, Puerto Rico, Rhode Island, and Vermont have a maximum limit of 65 mph (105 km / h), and Hawaii has a maximum limit of 60 mph (97 km / h). Washington, D.C. and the U.S. Virgin Islands have a maximum speed limit of 55 mph (89 km / h), and Guam and the Samoa have speed limits of 45 mph (72 km / h). Unusual for any state east of the Mississippi River, much of I - 95 in Maine north of Bangor allows up to 75 mph (121 km / h), as well as up to 600 miles of freeways in Michigan. Portions of the Idaho, Montana, Nevada, South Dakota, Texas, Utah, and Wyoming road networks have 80 mph (129 km / h) posted limits. The highest posted speed limit in the entire country can be found on the Texas State Highway 130, and it is 85 mph (137 km / h).
where is the fastest speed limit in the us
Texas State Highway 130