Title	National Road photograph
Subject	Cumberland Road--History National Road Transportation--Ohio--History Roads Macadam Roads--Design and construction Ohio Economy--Transportation and Development
Time Period	1900s
Description	This image is a photograph of an illustration showing a work crew spreading a macadam surface on the National Road. A caption under the image reads: "1906-Bituminous macadam experiments." A macadam surface consists of a layer or layers of crushed rock of a fairly uniform size laid over a leveled road bed. The rock layer is bound together by a crust that forms a driving surface and that also sheds water. In this image the driving surface is made of bitumin (also called asphalt). The National Road (also called the Cumberland Road or the U.S. Road) was the first federally sponsored roadway. The U.S. Congress commissioned the National Road in 1806 as a conduit to the West, linking the Potomac River and Cumberland, Maryland, to St. Louis, Missouri, and the Mississippi River. The road opened Ohio and the Northwest Territory to settlement and trade with the eastern U.S. By 1838 the Cumberland Road had reached Springfield, Ohio; three years later it reached Vandalia, Illiinois, where construction stopped due to a funding shortfall. By this time the railroads had attracted travelers and business shipping away from the National Road, and the project was abandoned. The National Road crossed the state of Ohio along what is now U.S. 40.
Date of Original	1906
Collection	Norris Schneider; National Road/Zane Grey
Source	P 199; Box 1, folder 18
Format	Picture Illustrations Black-and-white photograph
Submitting Institution	Ohio History Connection
Rights	Online access is provided for research purposes only. For rights and reproduction requests or more information, go to http://www.ohiohistory.org/images/information
Type	StillImage
File Name	AL05822.tif
Image Height	3260
Image Width	3260
File Size	27406004 Bytes
Date created	2011-08-05

National Road photograph

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