A bill to amend the National Traffic and Motor Vehicle Safety Act of 1966 to provide improved enforcement of motor carrier safety regulations by the Secretary of Transportation; to protect motor carrier employees against discrimination for reporting violations of such regulations.

[AI summary unavailable — showing source text] Amends the National Traffic and Motor Vehicle Safety Act of 1966 to authorize a motor carrier employee, or employee representative to request in writing that an investigation be conducted by the Secretary of Transportation when such individual believes that the employer has violated specified safety regulations. Requires the Secretary to conduct such an investigation upon a determination that there are reasonable grounds to believe that such a violation has occurred as soon as practicable and without notice to the alleged violator unless such notice is deemed necessary by the Secretary. Requires the Secretary to notify the employee or employee representative in writing of the disposition of the investigation. Directs the Secretary, upon a finding that a violation has occurred, to issue a citation to the violator in writing. Authorizes the Secretary to prescribe regulations for the issuance of notice in lieu of citations for de minimis violations. Stipulates that each day of such violation shall constitute a separate offense and that each citation shall include an assessment of a civil penalty of not less than $250 nor more than $1,000 for the first violation and not less than $500 …