Typically, roads with a single lane in each direction are not elevated off the ground. Meaning there is a location known as the "side of the road" where people are able to pull off if they have car trouble or are impeding a huge line of traffic. Unfortunately, this "side of the road" i mentioned previously is typically dirt, meaning that it's very dangerous to pass from

Or it's a ditch you can get a car in to but not out of without employing a tow truck. This is the most common situation in single lane roads that don't have any alternative water management features. But you'd know that if you ever touched grass in your life.

Also go fuck yourself. Blocked.