Driver's License Test Prep
Horizontal white rectangle with the legend Slow Vehicles With 5 Or More Following Vehicles Must Use Turn-Out in black text
MUTCD
R4-12
Category
regulatory
Color
white
Shape
rectangle horizontal
National · MUTCD Sign Reference

Slow Vehicles With 5 Or More Following Vehicles Must Use Turn-Out

Slow drivers with five or more vehicles behind them must use the next turn-out.

Used on two-lane mountain and rural highways without passing lanes, this placard codifies the slow-vehicle turnout rule: when a driver moving below the prevailing speed has five or more vehicles stacked behind them, state law requires pulling into the next designated turn-out to let traffic pass. Failure to yield can be cited.

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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.
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Horizontal red rectangle with the words WRONG WAY stacked in large white letters.
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Source

FHWA SHSM Interim — R4-12 (https://mutcd.fhwa.dot.gov/shsm_interim/zip_files/r04_12.zip) (Public domain (FHWA))

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