Driver's License Test Prep
Horizontal white rectangle with the legend Slow Vehicles Must Use Turn-Out Ahead in black text
MUTCD
R4-13
Category
regulatory
Color
white
Shape
rectangle horizontal
National · MUTCD Sign Reference

Slow Vehicles Must Use Turn-Out Ahead

A turn-out is approaching where slower vehicles must pull over to let traffic pass.

Advance warning for the slow-vehicle turn-out rule. Drivers traveling below the prevailing speed of following traffic should prepare to exit the travel lane at the upcoming turn-out so platooned vehicles can pass safely on a two-lane highway.

In the same family

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Red octagon with white border and the word STOP in large white letters across the center.
Stop
Downward-pointing red triangle with a white interior triangle and the word YIELD in red letters.
Yield
Small red rectangular plaque with white border and the words ALL WAY in white letters.
All Way Plaque
Red circle on a square white background with the words DO NOT ENTER in white above and below a wide white horizontal bar.
Do Not Enter
Horizontal red rectangle with the words WRONG WAY stacked in large white letters.
Wrong Way
Source

FHWA SHSM Interim — R4-13 (https://mutcd.fhwa.dot.gov/shsm_interim/zip_files/r04_13.zip) (Public domain (FHWA))

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