To pass a slower moving car on a two-lane road, which lane must you use?

The proper method for passing a slower-moving vehicle on a two-lane road is to use the lane that is designated for your direction of travel, which is typically the left lane when passing. This lane is used to create a safe distance between you and the vehicle you are overtaking, while also avoiding conflicts with oncoming traffic. The other choices do not align with safe passing practices. The right lane is usually meant for slower-moving or non-passing traffic, while using the shoulder is not a safe or legal way to pass. A lane marked specifically for passing only may not always be present on every road, making it necessary to utilize the appropriate lane designated for passing in accordance with traffic regulations.