The proposed increase was made possible when the Texas Legislature passed House Bill 1201, last year. The bill allows TxDOT to establish speeds of up to 85 mph on certain highways. The previous maximum speed limit in Texas was 80 mph. Texas Toll Road Could Have 85MPH Speed Limit « CBS Dallas / Fort Worth Remember when I was saying Republicans want to get rid of speed limits? How many called me a liar. Well, there's the first step. Next, get rid of those cumbersome and expensive safety regulations for cars. We need to elect plenty of Republicans. Abolish the EPA. Get rid of regulations on bankers and investors. Instead, limit how much people can sue. See, it's not getting rid of regulations, but shifting them to protect the truly deserving, like millionaires and billionaires.