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The Marquette Interchange is a major freeway interchange in downtown Milwaukee, Wisconsin, located near Marquette University where Interstate 43, Interstate 94, and Interstate 794 meet. Originally built in the 1960s, the interchange underwent a total rebuild between 2004 and 2008, and was officially opened on August 19, 2008, after what was at the time the largest construction project in state history. == History == The history of the Marquette Interchange, originally called the Central Interchange, stretches back more than half a century. The idea of a north/south freeway with an interchange in downtown Milwaukee was first proposed in 1952 for an area south and east of Marquette University. An artist’s sketch in a local newspaper in December 1952 provided a first glimpse of the future. The following year, the Milwaukee County Expressway Commission was created by state law to plan, design, construct and maintain a freeway system in Milwaukee County. Land acquisition soon began. In 1955, the Milwaukee County Board adopted ''A General Plan of Expressways for Milwaukee County'', which included a downtown interchange near the present location of the Marquette Interchange. All of this activity in Milwaukee was in no way unique. Many cities across the United States were drawing up plans for new expressways during the mid-1950s. Nationally, there were big plans, too. In 1956, President Dwight D. Eisenhower signed the Federal Aid Highway Act of 1956, creating the United States' modern interstate highway system. Preliminary design on the Marquette Interchange began in 1956, with final design beginning in 1960. In 1964, construction began, and so did a difficult balancing act. For the next 4-1/2 years, traffic flow on city streets had to be maintained while new expressways and the new interchange were built in their midst. Bypasses and temporary street connections were used extensively to route heavy volumes of traffic around construction areas. Between 1964 and 1968, twenty-one construction contracts totaling over $33 million were awarded. The Marquette Interchange was dedicated and opened to traffic on Monday, December 23, 1968. The interchange was, and still is in its rebuilt form, one of downtown Milwaukee’s most prominent architectural landmarks. In the years to follow, millions of motorists would come to know the interchange as part of their route to work, around town or across the state. The Marquette Interchange has no affiliation with Marquette University, to which it is adjacent. Marquette University officials like to joke about how the university receives complaints from disgruntled motorists who erroneously believe the Interchange is owned by the University. By the 2000s, the interchange was experiencing severe deterioration and traffic problems due to major design flaws, including poorly designed left exits and vehicles having to weave across travel lanes to reach exit ramps, causing accidents and bottlenecks. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Marquette Interchange」の詳細全文を読む スポンサード リンク
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