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When there is a dotted line in the median, if safe to do so, a driver may move over to the left lane and pass the driver in front of them.

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When there is a solid line in the median, it indicates that a driver may not move over to the left lane and pass the driver in front of them.

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A median in the middle of the road either has a solid line or a dotted line. Those lines mean have different meanings.

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Pavement markings are signs and signals that are actually on the road itself.

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A red light is a signal for drivers to STOP. If a driver goes through a red light, he or she may get into some trouble with the law.

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When a light is yellow in the middle, it indicates that the light that is about to turn red. When a light is yellow, the driver may still go through it, but they have to be careful tht it does not turn red in the process. It is often a signal for drivers to start slowing down for the red light.

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When the light is green on the bottom, it indicates that the driver may go if they are stopped, or that if they are driving through it, the may continue.

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A traffic light is the most common type of traffic signal. A traffic light includes three signals, a green light, a yellow light, and a red light.

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When a driver approaches a stop sign, he/she must simply STOP at the line indicated. After coming to a complete stop and confirming that traffic is clear and that it is safe for them to continue, they now can go.

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This sign indicates that within a close range of where one is driving, there is road work approaching. Therefore, it is a sign that the driver may need to slow down and be cautious of what is happening ahead of them.