Final answer:
Lane markings on the road serve several purposes: separating traffic, indicating lane usage, and controlling traffic flow.
Step-by-step explanation:
Lane markings on the road serve several purposes:
White Lane Markings:
- Solid White Line: A solid white line is used to indicate the right edge of the roadway or to mark the boundary between travel lanes moving in the same direction. Crossing a solid white line is generally discouraged and should be done only when necessary.
- Dashed White Line: A dashed white line is often used to separate lanes of traffic moving in the same direction. It may also be used to indicate that lane changes are allowed.
- Yellow Lane Markings:
- Solid Yellow Line: A solid yellow line indicates that passing is prohibited in the lane next to the solid yellow line. It is often used on two-lane roads to mark the center of the roadway where passing is not allowed in either direction.
- Dashed Yellow Line: A dashed yellow line on a two-lane road indicates that passing is allowed when safe to do so.
- Double Yellow Lines:
- Double Solid Yellow Line: Indicates that passing is prohibited in both directions. It is often seen in areas with limited visibility or where there is a higher risk of head-on collisions.
- Double Dashed Yellow Line: Indicates that passing is allowed in both directions when it is safe to do so.
- Turning Lanes:
- Dashed White Lines: Used to designate lanes where turning is allowed. Drivers can enter and exit these lanes when making turns.
- Solid White Lines: Used to indicate a dedicated turn lane where entering or exiting is not allowed except at intersections.
- Crosswalks:
- White Lines: Mark pedestrian crosswalks. Drivers should yield to pedestrians in crosswalks.
Solid White Line: A solid white line is used to indicate the right edge of the roadway or to mark the boundary between travel lanes moving in the same direction. Crossing a solid white line is generally discouraged and should be done only when necessary.
Dashed White Line: A dashed white line is often used to separate lanes of traffic moving in the same direction. It may also be used to indicate that lane changes are allowed.