- Oklahoma's Highways &
- 66 | Construction, Popular & | Britannica
- and Davis Construction Crew Building 66 west of | Metropolitan Library System
- Planning & Research Division A Chronology of the Construction History of Route 66 in Oklahoma
- Route "66" The Mother Road - Back Time - General Highway Highway History - Federal Highway Administration
- Transform 66 on schedule for completion - WTOP
- History Route
- Route 66: 1926 - 1945 (U.S. National Service)
- U.S. Route 66 -
- Introduction to the Railroad Heritage and 66 Heritage of Lincoln, Illinois
- Historic Route in Illinois – Highlights
- dump truck at site of U.S. Highway Route construction, 1926 - Arizona Historical Society - Colorado Plateau Digital
- History Route
- Route 66: Alignments and Road
- 1. Route 66 Overview (U.S. National Service)
- U.S. Route 66 -
- U.S. Route 66 -
- Abandoned Garage Route in | RWP Photography
- 66 | Construction, Popular & | Britannica
- 66 And Fanning Landscaping Underway In Flagstaff – KAFF News – Flagstaff | News
- Route National Museum of History
- Route 66 History – National Route 66 Federation
- I 66 Construction Update Video Nov - YouTube
- The Ultimate Route Road Trip