Solid lines indicate no-passing zones.
do not cross to change lanes or pass
same direction, if the lines are broken this means you are allowed to change lanes. If the line or lines are solid, you are not supposed to change lanes.
White lines are used to separate lanes of traffic going in the same direction.Solid White LineA solid white line indicates that moving between lanes is forbidden. You cannot cross a solid white line.Broken White LineThe broken white line indicates that moving between lanes is permitted. You may move between lanes as desired.For example a solid white line may be used to separate a dedicated bus lane from regular traffic. Where normal lanes are separated by the dashed line.
In the US, yes this is legal. A single or double white line signifies only that you should not change lanes.
Changing lanes across that a solid white line in traffic is not permitted.
crossing over the line white or yellow
It separates two lanes traveling in the same direction
The white line on a carpool lane is typically used to separate the carpool lane from the regular lanes of traffic. It helps to clearly define the space designated for vehicles with multiple occupants, encouraging compliance with the carpool lane rules and improving traffic flow.
In UK, a broken white line in the middle of a road indicates an approaching hazard. The closer the gap between broken line segments, the closer the hazard approaches.a broken white line on the highway means that it separats two lanes traveling in the same direction.you may cross this line when changing lanes. It means that their are different lanes, that you can drive in.
Vehicle Traffic Lanes If the solid white line is on the driver side of the lane you cannot pass, if the dashed white center line is on your driver side of the lane, you can pass. Solid white lines at the edge of the travel lanes identify the edge of the road in poor visibility and define a paved shoulder in some cases.
It means that you may change lanes freely (i.e.: pass another vehicle) from one to the other.
Changing of lanes is permitted, and traffic in the adjacent lane flows in the same direction.