Motor Carrier Safety Act of 1989

[AI summary unavailable — showing source text] Motor Carrier Safety Act of 1989 - Requires the Secretary of Transportation to issue a final rule regarding Federal motor carrier safety regulations to: (1) establish a public information system that periodically updates the safety ratings of motor carriers which have received unsatisfactory safety ratings; (2) provide a rating reassessment within 12 months after receipt of a motor carrier's written request to have an unsatisfactory rating reassessed; and (3) prohibit the operation of certain commercial motor vehicles by motor carriers who have received unsatisfactory safety ratings. Requires the Secretary to submit operational guidelines to the Congress with specific criteria for determining civil penalties for motor carrier safety violations that pose imminent safety hazards. Requires annual reports to the Congress on enforcement actions. Amends the Controlled Substances Act to impose mandatory minimum criminal penalties for the unlawful distribution or possession of controlled substances within 1,000 feet of a truck stop. Precludes the suspension of criminal sentences and denies probation for repeat offenders. Directs the U.S. Sentencing Commission to establish specified sentenc…