Banner: Evolution of Michigan Road Maps

Part 1:
Michigan as a Territory
Part 2:
State of Michigan - 19th Century
Part 3:
Automobile Route Guides
Part 4:
Named Roads
Part 5:
Standardization of Road Markings
Part 6:
Rise & Fall of Oil Company Roadmaps
Part 7:

Part 6: The Rise and Fall of Oil Company Roadmaps

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Shell Oil Road Map 1932
Shell metropolitan map Detroit and vicinity. Chicago: H.M. Gousha, 1932.

Shell Map 1933
Shell Auto Map Michigan. Chicago: H.M. Gousha, 1933.


Sinclair Oil Map 1936
Sinclair Road Map Michigan. Chicago, IL: Rand McNally, 1936.


Sinclair road map 1937
Sinclair Road Map Michigan. Chicago, IL: Rand McNally, 1937.

With the standardization of route markings, oil companies, such as Shell, now became the principal distributor of free road maps during this period, contracting with companies such as Rand McNally and Gousha who would produce them.

The covers of these maps were interesting in their own right as well. During the 1930s, recognized commercial artists of the time were engaged to produce oil map covers. Robert Lee created Shell’s widely acclaimed license plate map covers of 1933 and 1934, while Peter Helck, the dean of American automotive artists, produced Sinclair’s five-panel covers of 1936 and 1937.

Detail from 1962 Shell map of Michigan, north Detail from 1962 Shell Map of Michigan, south
Details from Shell map of Michigan. Chicago: Gousha, 1962.  Note interstate highways under construction.
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The Federal Highway Act of 1955 (Dwight Eisenhower System of Interstate and Defense Highways) provided the basis for the Interstate Highway System. Design specifications of these “freeways” included that there should be a minimum of four 12 foot wide lanes. The first interstates, with their characteristic symbols, began to appear in Michigan maps in 1959
Shell map covers
Shell oil maps from 1941, 1962, and 1957
After the oil crisis of 1973, the oil companies began to withdraw from the business of distributing free oil company maps. Cost of producing maps had increased substantially and the oil companies did not care to continue aggressive promotions and advertising. By 1990, free oil maps had completely disappeared


Part 1:
Michigan as a Territory
Part 2:
State of Michigan - 19th Century
Part 3:
Automobile Route Guides
Part 4:
Named Roads
Part 5:
Standardization of Road Markings
Part 6:
Rise & Fall of Oil Company Roadmaps
Part 7: