What is the highest posted speed limit on any public road in Texas?
70 mph.
Texas posts higher on certain highways.
85 mph — on portions of State Highway 130 between Austin and Seguin.
100 mph.
No US public road is legally posted at 100 mph.
75 mph.
Several TX interstates exceed 75 mph.
State Highway 130 (SH 130) between Austin and Seguin is posted at 85 mph — the highest legal speed limit on any public road in the United States. Most other Texas interstates are posted at 75–80 mph. The Basic Speed Law still applies: drivers must reduce speed when conditions demand.
Practice Texas questions like this
Our Texas practice bank has hundreds of state-specific questions with explanations.
Start Texas practiceRelated Questions
In a posted Texas school zone with children present during posted times, the typical maximum speed limit is:
Under California's Basic Speed Law, the maximum legal speed is:
On dry pavement at 55 mph in New York, the total stopping distance (reaction + braking) for an average passenger car is approximately:
What minimum time-based following distance does the Michigan driver's manual recommend in normal conditions?
In Pennsylvania, reckless driving is generally defined as operating a vehicle in a manner that:
When driving behind a loaded coal truck descending a Kentucky mountain road, you should:
Maryland's automated speed cameras in SafeZones (construction areas) issue citations when drivers exceed the posted limit by:
When may you turn right on a red light in Texas?