Texas Speed Limit Raised to 85 MPH CheapOair Staff April 11, 2011 general Texas revs up speed limit to 85! The Texas House of Representatives have approved a bill that will be raising the speed limit to 85 on certain roads in rural areas of the state. A sheriff in Ward County, Texas was quoted by AOL News saying a lot of people are all ready driving 85 miles per hour. He did indicate worry that drivers would be hitting 90 on the roads.