Road safety, trucking and the law, explained.
Crash causes, the evidence a collision leaves behind, and how investigators read it.
Evidence from a truck crash does not vanish all at once. It goes in a rough order, starting with marks on the pavement and ending with records federal rules require carriers to keep for months or years.
Editorial Desk6 min read
A reconstruction turns marks, damage and stored data into speeds, positions and timing. Every method rests on assumptions, and the best work says plainly what each number depends on.
Editorial Desk5 min read
The engine computer in a tractor-trailer was built to run the engine and serve fleet managers, not to investigate crashes. It often holds crash data anyway, if the data survives the hours after the collision.
Editorial Desk6 min read
