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Interstate 69 Extension SIU #3, Evansville to Indianapolis, Indiana: 2010–2024 $1.6 billion [15] (est.) Wekiva Parkway, Orlando, Florida 2001–2016 $1.4 billion [16] (est.) I-95 New Haven Harbor Corridor Reconstruction, New Haven, Connecticut: 1991–2003 $1.2 billion [17] E-470, Denver, Colorado: 1933–2007 $37 million 1937 $37 million ...
The construction of the Interstate Highway System cost approximately $114 billion (equivalent to $618 billion in 2023). The system has continued to expand and grow as additional federal funding has provided for new routes to be added, and many future Interstate Highways are currently either being planned or under construction.
Named for nearby Fort McHenry, the tunnel is the lowest point in the Interstate Highway System under water. [2] Construction began in May 1980; the tunnel opened on November 23, 1985. Having consumed some $750 million (equivalent to $2.1 billion in 2023), it was the most expensive Interstate project until surpassed by the Big Dig in Boston. [3]
In the United States, future Interstate Highways include proposals to establish new mainline (one- and two-digit) routes to the Interstate Highway System.Included in this article are auxiliary Interstate Highways (designated by three-digit numbers) in varying stages of planning and construction, and the planned expansion of existing primary Interstate Highways.
The total cost of I-49's construction was about $1.38 billion (equivalent to $2.48 billion in 2023 [15]). [7] "Interstate 49 North" was a 36-mile (58 km) construction project that extended the highway from I-20 in Shreveport to the Arkansas state line and was divided into 11 segments.
The entire project will take five phases and cost an estimated $2.08 billion. The Colonial Life Boulevard interchange and improvements to I-20 are phases one and two, which are expected to wrap up ...
Widen from four to six lanes between Palmer Road and Ohio 158, $5 million. Tier I additional construction funding. Delaware County: Interstate 71 at Sunbury Parkway. New service interchange south ...
Construction resumed during the late 1980s after a move by US Senator Daniel Inouye, who, in 1986, had the freeway exempted from most environmental laws [2] as a rider on a Department of Defense budget bill. [3] [4] H-3 was the most expensive Interstate Highway ever built, on a cost-per-mile basis. [5]