Real ChatGPT answer · index seedFoud7U8AqbAcompleteAutomotive · tirescommercial

What is the exact legal minimum tread depth across most US states, and at what millimeter measurement do professional drivers usually replace their wet-weather tires?

ChatGPTgpt-62 queries11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
What is the exact legal minimum tread depth across most US states, and at what millimeter measurement do professional drivers usually replace their wet-weather tires?
2 real searches · 1 real-search pass
US state minimum tire tread depth legal 2/32 inch most states laws official DMV NHTSAGoogle ↗
OBSERVED
professional drivers replace wet weather tires tread depth 4/32 5/32 inches rain hydroplaning tire safetyGoogle ↗
OBSERVED

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Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
US state minimum tire tread depth legal 2/32 inch most states laws official DMV NHTSA Google ↗
professional drivers replace wet weather tires tread depth 4/32 5/32 inches rain hydroplaning tire safety Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
US state minimum tire tread depth legal 2/32 inch most states laws official DMV NHTSA
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
professional drivers replace wet weather tires tread depth 4/32 5/32 inches rain hydroplaning tire safety
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1