A solid yellow line means two things. The colour indicates that traffic on the other side of the line travels in the opposite direction as you're traveling. The solid line indicated that you may not cross into that lane to overtake another vehicle.
no passing
DO NOT CROSS STAY ON YOUR SIDE
divided highway
The yellow solid line in the middle of the road means that you are to stay on your side of the road, no passing!
it means you can not pass people
No passing.
You must not stay on your side of the rode without passing to the other side, as long as its solid.
It means that your lane cannot pass.
you cannot cross over.
No passing when driving in that direction while it is solid.
No passing by traffic travelling in your same direction.
No passing by traffic travelling in your same direction.