Here are a few great photos showing early automobiles on the streets of Baltimore. These photos document the Glidden Trophy tour of 1907. This was a competition between a number of automobile organizations from different cities to demonstrate the ability of their machines to drive from Cleveland to New York City, a distance of 1,519 miles over gravel, clay, brick, and asphalt roads.
The tour started in Cleveland, went to Toledo, then South Bend, on to Chicago, and back to South Bend, Indianapolis, Columbus, Canton, Pittsburgh, Bedford, Baltimore, and Philadelphia, before reaching New York City.

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Source: Detroit Public Library

Source: Detroit Public Library

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Source: Detroit Public Library

Source: Detroit Public Library