Transport

United States interstate system mapped

Construction of the Highway System was declared finished in 1992. The cost of the Interstate Highway System’s construction was almost $114 billion (equal to $521 billion in 2020). The primary system has been extended many times by the expansion of being designations and creating new designations. Currently, all routes’ total length is more than 48.4 thousand miles (~78 thousand kilometers).

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Old maps

The Ever-Changing Map of the United States: A Journey Through America’s Protected Lands

From the towering redwoods of California to the sprawling Everglades of Florida, the United States is home to a diverse array of protected lands. This post delves into the fascinating history and current status of National Forests, State Forests, National Parks, and National Monuments, revealing how these vital areas have transformed the map of the United States over the past century.

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