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U.S. Route 66 - Wikipedia
Travel Guide to Historic Route 66: The Mother Road
Route 66 - U.S. National Park Service
Route 66 | History, Map, Popular Culture, & Facts | Britannica
Route 66 road trip guide with interactive maps - Roadtrippers
2 Week Route 66 Itinerary: The Ultimate American Road Trip
1. Route 66 Overview - U.S. National Park Service
Free Route 66 Interactive Map and Route Planner
Route 66 Travel Guide
Route 66 road trip planner: The best stops along the way