Why should a driver be aware of specific state or local rules governing passenger vehicle operation, in addition to federal requirements?

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1. Some jurisdictions impose additional requirements, such as specific inspection frequency or route restrictions, beyond the federal baseline
2. Federal rules always fully preempt any state or local passenger vehicle regulation, since federal standards are written to cover every situation
3. There is never any variation between federal and state passenger vehicle rules
4. State and local rules apply only to vehicles operated exclusively within city limits

Correct!

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