Here are some links referring to material regarding US66's history.
This part of my web is ongoing and still under construction - please check frequently for additional material
|How and why US66 became it's number|
|1925 US Highway Plan|
|US Numbered Highways in 1927|
|US Numbered Highways in 1956|
|US 66 California|
|Thru Aubrey Valley (Seligman to Peach Springs) from National Old Trails to US66 times|
To be continued ........