State DOT & Highway Patrol Laws 2026
US State Speed Limits & Traffic Fines Guide
Authoritative breakdown of US speed limits by state — Texas 85 mph highways, Virginia radar detector laws, speeding ticket fine estimators, and out-of-state point transfer compacts.
Speeding Ticket Fine & Penalty Estimator
Select your state and speed excess to calculate estimated ticket fines and state laws.
Estimated Speeding Ticket Fine: ~ $300 USD
Max Interstate Speed Limit: 75 mph | Rural Highway: 85 mph
Radar Detector Law: Legal in Passenger Cars
State Specifics: Highest posted speed limit in the US (85 mph on SH 130 toll road).
Frequently Asked Questions
The highest posted speed limit in the US is 85 mph (137 km/h), located on Texas State Highway 130 (SH 130 toll road).
No. Radar detectors are illegal for passenger vehicles in Virginia and Washington, D.C., as well as in all commercial vehicles nationwide.
In Virginia, driving faster than 85 mph (or 20+ mph over any posted limit) is charged as Reckless Driving, which is a Class 1 Misdemeanor carrying up to a $2,500 fine and possible jail time.
Yes. Most US states belong to the Driver License Compact (DLC) and Driver License Agreement (DLA), sharing traffic violation records so out-of-state tickets add points to your home state license.