Solid Double White Lines: What It Means & What To Do
What Does the Solid Double White Lines Mean?
Separate same-direction lanes that you must not cross.
About This Sign
Double solid white lines separate lanes of traffic traveling in the same direction where crossing is prohibited, such as near toll plazas or where a lane must not be entered or exited. Do not cross them.
Where you will see it
You see two solid white lines between lanes going the same direction, for example near toll plazas or where a lane must not be entered or exited. Crossing is prohibited.
What to do
- Do not cross the double white lines.
- Stay in your lane until the lines end.
- Plan your lane choice before you reach them.
A common mistake
Cutting across the lines at the last moment to reach the lane you want. Crossing is prohibited, so pick your lane early.
What to remember for the test
Remember: double solid white lines mean do not cross. They separate same-direction lanes.
Other Pavement Markings
Frequently Asked Questions
What does the Solid Double White Lines mean?
Separate same-direction lanes that you must not cross.
What shape and color is the Solid Double White Lines?
The Solid Double White Lines uses the Double solid line shape and White coloring.
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