Top Maximum Speed Limits in the United States 80 mph — Texas (on about 500 miles of Interstate 10 and 20 in southwest corner of the state)75 mph — Arizona, Colorado, Idaho, Montana, Nebraska, Nevada, New Mexico, North Dakota,...
357.2 mph trivia
A French high-speed train broke the world speed record for conventional trains at 357.2 mph! What is the speed of the fastest train of any type and which country holds this record? Chess Daily News from Susan Polgar