Driver's License Test Prep
A single solid yellow line running lengthwise along the upper edge of a dark roadway.
MUTCD
3B.06
Position
edge
Color
yellow
Pattern
solid
Type
linear
National · Pavement Markings

Solid Yellow Left Edge Line

Solid yellow line marks the left edge of the roadway on a divided highway or one-way street.

A solid yellow line along the left side of the travel lane marks the left edge of the roadway on a divided highway, a one-way street, or a ramp. It tells drivers they are at the left boundary of their direction of travel; they should not cross it into the median, opposing roadway, or shoulder.

In the same family

Related markings

A single solid white line running lengthwise along the lower edge of a dark roadway.
Solid White Right Edge Line
A single extra-wide solid white line running lengthwise along the lower edge of a dark roadway.
Wide Solid White Edge Line
Row of short white dashes running horizontally near the bottom of dark pavement, with empty roadway above and below.
Broken White Edge Line
Source

AI-generated SVG, Federal MUTCD 11th Edition (2023) Part 3 reference (original)

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