When you take the exit ramp off the expressway and merge onto the next road, you see yellow lines dividing the roadway. What do the yellow lines tell you about the traffic flow? explain please

Yellow lines on roadways typically indicate the separation of traffic flow in opposite directions. In the context of exit ramps off expressways and merging onto the next road, the presence of yellow lines suggests the following:

1. Divided Traffic Flow: Yellow lines generally signify a separation between lanes traveling in opposite directions. If you see yellow lines on the roadway, it indicates that traffic is divided, and vehicles traveling in the opposite direction are separated from each other.
2. Lane Discipline: The yellow lines guide drivers in maintaining proper lane discipline. It helps in preventing head-on collisions by clearly marking the boundaries between lanes for oncoming and outgoing traffic.
3. No Passing: Solid yellow lines often indicate that passing or crossing over into the opposing traffic lane is prohibited. In the context of exit ramps, this means that drivers should not attempt to pass or cross over the yellow lines unless it is a designated area for lane changes.
4. Merging Safely: When merging onto the next road from an exit ramp, the yellow lines help drivers understand the layout of the road and where merging is allowed. They provide visual cues for safe merging and indicate where lanes may converge.

It's essential for drivers to pay attention to road markings, including yellow lines, to ensure safe and efficient traffic flow. Violating rules related to yellow lines, such as attempting to pass over solid yellow lines or improperly merging, can lead to traffic violations and compromise road safety. Always follow local traffic regulations and be aware of road markings to navigate roadways safely and responsibly.