49 () posted 1 year ago by truthawakening 1 year ago by truthawakening +49 / -0 10 comments share 10 comments share save hide report block hide replies
I90 (Seattle -Boston) was part of Truman upgrades. I86 (Pa-NY) was improved during the 1970's-80's?? I80 (Pa) post WW11.. not sure exactly when.
Hope this helps.