This traffic sign is "Pass on the left". From the graphic, how can you tell that it means "Pass on the left"?

Left side traffic, you can see from the graph that the lines are reversed, which means "left side traffic".

As shown in the picture, the left side is the line from top right to bottom left To pass, go up left and go down right.

The left pass is used to guide the driver to change the driving direction and promote safe operation. If necessary, it is set on the curved road section with small radius. Or the ends of central isolation facilities and channelization facilities.

Extended information:

The general color meaning of traffic signs such as "Left Side Pass"

General. The basic meanings of traffic sign colors are as follows:

1. Red: indicates prohibition, stop, and danger. It is used for the borders, background colors, and slashes of prohibition signs. It is also used for cross symbols and slashes. The background color of symbols, warning linear guidance signs, etc.

2. Yellow or fluorescent yellow: indicates warning and is used as the background color of warning signs.

3. Blue: indicates instructions. , Follow, used for the background color of signage; indicating place names, routes, directions and other driving information, used for the background color of general road guide signs

4. Green: indicating place names, routes, directions, etc. Driving information, used for the background color of highway and urban expressway signage.

5. Brown: indicates the indication of tourist areas and attractions, used for the background color of tourist area signs.

6. Black: used for the text, graphic symbols and borders of some logos.

7. White: used for the background color of the logo, text and graphic symbols, and the borders of some logos<. /p>

8. Orange or fluorescent orange: used for warning and guidance signs in road work areas.

9. Fluorescent yellow-green: used to indicate warnings, used to pay attention to pedestrians and children. .

Baidu Encyclopedia-Traffic Signs