Two solid yellow lines down the center of the road indicate that passing is illegal for both directions (your direction and the opposing direction). There are times when you have to cross over that solid yellow line, one instance would be moving over to the left side of the road due to a stopped emergency vehicle on the side of the road, but remember, the oncoming traffic has the right of way in this instance.
I think it is A. Vehicles Should Move Slowly.
A steady yellow light indicates that drivers should slow down and prepare to stop, as the traffic signal is about to change to red.
A steady yellow traffic light indicates that the traffic signal is about to change to red, and drivers should prepare to stop safely.
A steady yellow light typically indicates that the traffic signal is about to turn red. It serves as a warning for drivers to prepare to stop before the light changes.
A traffic signal displaying a steady circular yellow light means that you should use caution when going through the intersection. You have the right away, but watch for other cars.
Passing is prohibited in that laneNo Passing
divided highway
no passing
A steady (instead of flashing) yellow light means the traffic signal is changing from green to red. You must stop if it's safe to do so. If you're already stopped you must not proceed.
help
A steady yellow signal light at a traffic intersection means that the light is about to turn red, and drivers should prepare to stop safely before the intersection.
Yellow lines.