Guardrail-Flaw Reports Sought by U.S. as Trinity Scrutiny Grows

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A U.S. highway regulator opened an Internet portal this week allowing the public to report accidents tied to a Trinity Industries Inc. guardrail system, which has been linked by lawsuits to at least eight deaths.

The Federal Highway Administration’s move is the latest sign of intensifying government scrutiny of Trinity and its shock-absorbing guardrail end-terminal, the ET-Plus. Drivers and their families have claimed that the system can seize up on impact, spearing cars instead of giving way as intended.