Permanent claim record · Detroit, Michigan

The first mile of rural concrete pavement in the U.S. was laid in 1909 on Woodward Avenue between 6 Mile and 7 Mile Roads.

Verified\u00b7 1909-01-01

Raw value (vault-stripped)

{"tags":["firsts","roads","woodward"],"text":"The first mile of rural concrete pavement in the U.S. was laid in 1909 on Woodward Avenue between 6 Mile and 7 Mile Roads.","as_of":"1909-01-01","category":"engineering"}

Predicate	trivia.fact
Subject	Detroit, Michigan (place)
As of	1909-01-01
Status	Verified
Source	Michigan Pop Culture, Game Shows & Trivia Content Mine — Perplexity Deep Research (March 2026) (trust 6.5/10)
Reference	—
Document hash	pending evidence-pack link
Provenance chain
Claim ID	93dfe839-a483-4213-a74e-62dbe0fb6cf2