They mark the edge of the carriageway/roadway.
Solid white lines on the road mark one-way streets. If the lines are broken they represent two or more lanes going one way.
You are to remain in your lane, and that traffic in the adjacent lane(s) is traveling in the same direction as you.
You are to remain in your lane, and traffic in adjacent lanes moves in the same direction.
Do not cross stay in your lane
In the US, both solid white lines and double white lines are used to mark areas of prohibited lane changes in multi-lane traffic. Broken (dashed) yellow lines, solid yellow lines, and double yellow lines are used to separate traffic moving in opposite directions.
This really isn't a question. If you are referring to fog lines on the road they are broken for roads and driveways only. White lines are between lanes that are traveling in the same direction. The broken white lines indicate whether it is alright for someone to pass another car.
solid white line
No.
No it's not
Yes
Street lines
false
There are a few signs that are black and white with solid lines. Places like Shake Shack are black and white.
In California, solid white lines mark traffic lanes going in the same direction, such as one-way streets.
That's the runway
Broken Yellow lines