Question

tires on the trailer should have at least ________ of an inch of tread.

Explanation:

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"Vehicle Safety Regulations",
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</pre_analysis>

<reasoning>

Identify standard safety regulations for trailer tire tread depth

Federal Motor Carrier Safety Administration (FMCSA) and standard state commercial/non-commercial vehicle regulations require trailer tires (and other non-steering tires) to have a minimum tread depth of \(2/32\) of an inch.
</reasoning>

<answer>
Tires on the trailer should have at least <blank>\(2/32\)</blank> of an inch of tread.
</answer>

<post_analysis>
{
"subject": "Others",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Others",
"Transportation Safety",
"Vehicle Maintenance Regulations"
]
}
</post_analysis>

Answer:

<pre_analysis>
{
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"direct_cot",
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"Vehicle Safety Regulations",
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"Tire Tread Depth"
]
}
</pre_analysis>

<reasoning>

Identify standard safety regulations for trailer tire tread depth

Federal Motor Carrier Safety Administration (FMCSA) and standard state commercial/non-commercial vehicle regulations require trailer tires (and other non-steering tires) to have a minimum tread depth of \(2/32\) of an inch.
</reasoning>

<answer>
Tires on the trailer should have at least <blank>\(2/32\)</blank> of an inch of tread.
</answer>

<post_analysis>
{
"subject": "Others",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Others",
"Transportation Safety",
"Vehicle Maintenance Regulations"
]
}
</post_analysis>