This legislation, titled the Trailer Safety Improvement Act , seeks to enhance road safety by expanding the focus of State highway safety programs. It specifically amends section 402(a)(2)(A)(xiv) of title 23, United States Code, to incorporate new provisions concerning trailer safety. The bill mandates that these State programs actively work to prevent the improper and unsafe use of light-duty and medium-duty trailers . Additionally, it requires them to educate the public about essential trailer safety equipment and preventive maintenance practices , thereby promoting safer towing and reducing accidents on public roads.