Snow tire

Snow tire means a tire that attains a traction index equal to or greater than 112, compared to the ASTM F2493 standard reference test tire when using the snow traction test on the medium pack snow surface as described in ASTM F1805-20 (incorporated by reference, see 571.5), and that is marked with an Alpine Symbol specified in S5.5 on at least one sidewall.

Source

49 CFR § 571.139


Scoping language

None
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