Driver's License Test Prep
Square green panel with white border and three lines of white text reading TRUCK LANE 1/2 MILE.
MUTCD
D17-2
Category
guide
Color
green
Shape
square
National · MUTCD Sign Reference

Truck Lane 1/2 Mile

Tells truck drivers a designated truck or climbing lane begins one-half mile ahead.

Posted in advance of an added climbing or truck lane, this guide sign gives truck drivers half a mile of notice to prepare to move right onto the added lane. Using the truck lane on grades helps maintain traffic flow and reduces the need for faster vehicles to pass in the left lane.

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Source

FHWA SHSM Interim — D17-2 (https://mutcd.fhwa.dot.gov/shsm_interim/zip_files/d17_02.zip) (Public domain (FHWA))

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