Permanent claim record · Michigan

In use since the late 1960s, Michigan lefts reduce crashes 30-60%, cut head-on left-turn crashes 60-90%, and improve traffic capacity 20-50%.

Verified

Raw value (vault-stripped)

{"tags":["michigan-left","driving","safety"],"text":"In use since the late 1960s, Michigan lefts reduce crashes 30-60%, cut head-on left-turn crashes 60-90%, and improve traffic capacity 20-50%.","category":"numbers"}

Predicate	trivia.fact
Subject	Michigan (place)
As of
Status	Verified
Source	Famous Michiganders, Pop Culture & Trivia Report — Perplexity Deep Research (2026) (trust 6.5/10)
Reference	—
Document hash	pending evidence-pack link
Provenance chain
Claim ID	06111ee7-a2a8-4bfd-8ad1-27b3015873b4