Ohio ovi checkpoints 1. Advance publicity: Law enforcement agencies must inform the public in advance about the time and location of the checkpoint. This can be done through various channels, such as local news outlets, social media, or official agency websites. 2. Neutral criteria for stopping vehicles: Officers cannot stop vehicles based on the driver's race, ethnicity, or other protected characteristics. Instead, they must use a neutral and predetermined criterion, such as every third or fifth vehicle, to ensure fairness and avoid discrimination. 2. Roll down the window when instructed to do so, and provide the officer with your driver's license, registration, and proof of insurance. 3. Remain calm and polite during the interaction, even if you are nervous or intimidated. 4. If the officer suspects you of impaired driving, you may be asked to perform field sobriety tests or submit to a breath, blood, or urine test. You have the right to refuse these tests, but doing so may result in the suspension of your driver's license. 2. Neutral criteria for stopping vehicles: Officers cannot stop vehicles based on the driver's race, ethnicity, or other protected characteristics. Instead, they must use a neutral and predetermined criterion, such as every third or fifth vehicle, to ensure fairness and avoid discrimination. 3. Safety: Checkpoints must be set up in a safe location, with proper lighting, warning signs, and cones or flares to alert drivers of the roadblock. Officers should wear high-visibility vests and ensure that the checkpoint does not obstruct traffic or create a hazard for other motorists. 4. Minimal delay: Drivers should experience minimal delay when passing through a checkpoint. Officers should quickly assess each driver's sobriety and only detain those suspected of impaired driving for further investigation.