Juvenile Justice Association of Texas (Jjat)

Fast. Easy. Discreet. RoadGuard Interlock gets you back on the road with a car breathalyzer that is FAST to warm up, EASY to use, and DISCREET so you can focus on the road ahead. As an approved Texas Ignition Interlock provider, we have convenient ignition interlock installation near you in Tyler, Texas at 4368 Highway 271. With a proven track record, RoadGuard Interlock offers top-tier ignition interlock devices that won't damage your vehicle, professional installation, and reliable customer service. Call us today to schedule an appointment for your car breathalyzer installation, calibration, or removal in Tyler or any of our other convenient locations throughout the state of Texas.

24/7 EMERGENCY RESPONSE LINE: 903.234.1415 With more than 675,000 miles of roads and highways in Texas alone, serious incidents can occur literally anywhere. When an accident on the road releases oil, fuel, chemicals or other hazardous materials, every second counts...