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The Pershing Map was the first blueprint for a national highway system in the
History of Illinois roads
Interstate Highway System 1922 works 20th-century maps and globes
The Pershing Map was the first blueprint for a national highway system in the United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territo ...
, with many of the proposed roads later forming a substantial portion of the Interstate Highway System
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...
.
History
When theUnited States Army
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, ...
realized it could not satisfactorily meet its World War I logistical needs by railroad
Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a prep ...
alone, it organized truck convoys to supplement them, with the first run in 1917 from Toledo, Ohio
Toledo ( ) is a city in and the county seat of Lucas County, Ohio, United States. A major Midwestern United States port city, Toledo is the fourth-most populous city in the state of Ohio, after Columbus, Cleveland, and Cincinnati, and according ...
, to Baltimore, Maryland
Baltimore ( , locally: or ) is the most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic, and the 30th most populous city in the United States with a population of 585,708 in 2020. Baltimore was ...
. Following the two-month ordeal of the U.S. Army Transcontinental Motor Convoy
The Transcontinental Motor Convoys were early 20th century vehicle convoys, including three US Army truck trains, that crossed the United States (one was coast-to-coast) to the west coast. The 1919 Motor Transport Corps convoy from Washington, ...
in 1919, the need for better infrastructure became even clearer.
In 1921, Thomas H. MacDonald, the newly appointed head of the Bureau of Public Roads
The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program a ...
, requested the Army provide it with a list of roads of "prime importance in the event of war". MacDonald had the Geological Survey and later his own staff painstakingly draft out the details of the Army's request, and presented the sum of these drawings in a massive -long map to Army War Plans. General of the Armies John Pershing
General of the Armies John Joseph Pershing (September 13, 1860 – July 15, 1948), nicknamed "Black Jack", was a senior United States Army officer. He served most famously as the commander of the American Expeditionary Forces (AEF) on the Wes ...
himself reported the results back to Congress
A congress is a formal meeting of the representatives of different countries, constituent states, organizations, trade unions, political parties, or other groups. The term originated in Late Middle English to denote an encounter (meeting of ...
in 1922, with the proposal becoming known as the "Pershing Map".
Most of the of roads requested were eventually built, with a number of routes becoming interstate highways. The proposal emphasized coastal and Mexican border defense and industrial needs of the time rather than economic development, with high priority routes going to such checkpoints as Sault Ste Marie, Michigan
Sault Ste. Marie ( ') is the only city in, and county seat of, Chippewa County in the U.S. state of Michigan. With a population of 13,337 at the 2020 census, it is the second-most populated city in the Upper Peninsula after Marquette. It i ...
, yet bypassing nearly the entire Deep South
The Deep South or the Lower South is a cultural and geographic subregion in the Southern United States. The term was first used to describe the states most dependent on plantations and slavery prior to the American Civil War. Following the wa ...
. Professor Steven Dutch points out that this routing reflected the technology and needs of the post-World War I military. Coal fields and iron ports were critical for steel production, but the then-nascent oil fields in West Texas and Oklahoma were not yet important, and with little infrastructure, southern Florida was not a priority since any army landing there would have had no method to advance northwards.
References
{{reflistExternal links
History of Illinois roads
Interstate Highway System 1922 works 20th-century maps and globes