1. Route 66 Overview (U.S. National Park Service)
U.S. Route 66 - Wikipedia
How Route 66 Has Changed Over the Decades
U.S. Route 66 - Wikipedia
The highlights of Route 66 | Audley Travel UK
Route 66 Facts and Frequently Asked Questions
The 4 Must-See Stops on Historic Route 66 – Connect Freight
Amazon.com: Us Route 66 (Iconic America): 9781532190940: Decker, Michael
Route 66 Facts and Frequently Asked Questions
2. Before 1926: The Origins of Route 66 (U.S. National Park Service)
Route 66 | National Museum of American History
Where Does Route 66 Start? - LazyTrips
U.S. Route 66 - Wikipedia
9 Great Reasons Why a Route 66 Road Trip is a Fabulous Idea - Complete North America
Route 66 | Construction, Popular Culture, & Facts | Britannica
U.S. Route 66 - Wikipedia
The former Kan-O-Tex service station on old Route 66 in Galena, Kansas is now a cafe and shop called Cars on the Route Stock Photo - Alamy
Route "66" The Mother Road - Back in Time - General Highway History - Highway History - Federal Highway Administration
Get your kicks on Route 66 | CNN
2. Before 1926: The Origins of Route 66 (U.S. National Park Service)
Route 66 - Wikitravel
Route 66 | Construction, Popular Culture, & Facts | Britannica
Route 66 History – National Historic Route 66 Federation
Route 66 in photos: Postcards from California
U.S. Route 66 - Wikipedia
