Category:Auto trails
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Auto trails were a system of named highways in the United States in the early 20th century, preceding the U.S. numbered highway system (U.S. Routes) which came into existence in November 1926.
Category:Highways in the United States Category:Trails in the United States#+AutoPages in category "Category:Auto trails"
- Category:Auto trail signs and markers
- Category:Arrowhead Trail (auto trail)
- Category:Dixie Highway
- Category:George Washington Memorial Highway
- Category:Jackson Highway
- Category:Jefferson Davis Highway
- Category:Jefferson Highway
- Category:Lee Highway
- Category:Lincoln Highway
- Category:Meridian Highway (Pierce County, Nebraska)
- Category:Old Spanish Trail (auto trail)
- Category:Pikes Peak Ocean to Ocean Highway
- Category:Washington Victory Trail
- Category:William Penn Highway
- Category:Yellowstone Trail
- File:1917 Map Showing Marked Through Routes In Illinois.jpg
- File:1921 Map Showing Marked Through Routes In Illinois.jpg
- File:1922 Map Showing Marked Through Routes In Illinois.jpg
- File:AndersonHighwayFlorida.jpg
- File:BPH routebox.gif
- File:Map of Iowa Showing Principal Automobile Routes.jpg
- File:Map of Liberty Highway.png
- File:Mississippi River Scenic Highway Map.png
- File:OldSpanishTrailMap.jpg
- File:Ozark Trails road schematic.svg
- File:Cram Transcontinental Highways of the United States 1922 UTA (left).jpg
- File:Cram Transcontinental Highways of the United States 1922 UTA (right).jpg
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