On June 13, 2023, an employee was helping an equipment operator use a pounding machine to drive steel guardrail posts into the ground. The employee was stuffing a post into a hole and lining up the pounder head and the top of the post. A block that absorbed the impact of the pounder head fell off the post, causing the cable guiding system to tighten suddenly. The cable caught the employee's fingers. The employee's left middle and ring fingers were amputated to the first knuckle.