A bill to reduce the incidence of death by underride by enhancing underride protection on trailers, semitrailers, and single unit trucks, which will result in more survivable truck crashes, to improve motor carrier, passenger motor vehicle, and Vulnerable Road User safety, and for other purposes.

This bill, titled "A bill to reduce the incidence of death by underride by enhancing underride protection on trailers, semitrailers, and single unit trucks," was introduced in the 119th Congress as S. 3775 on February 4, 2026. The purpose of the bill is to increase underride protection on certain types of trucks to decrease fatalities from underride accidents and enhance safety for motor carriers, passenger vehicles, and Vulnerable Road Users.