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The Interstate Highways in Alaska are all owned and maintained by the US state of Alaska. [2] The Alaska Department of Transportation & Public Facilities (DOT&PF) is responsible for the maintenance and operations of the Interstate Highways. The Interstate Highway System in Alaska comprises four highways that cover 1,082.22 miles (1,741.66 km).
The Alaska Marine Highway and several other Alaska highways or routes are recognized as "highways" eligible for federal funding by the Federal Highway Administration (FHWA). [3] The Marine Highway was declared a National Scenic Byway by the FHWA on June 13, 2002; [4] and later declared an All-American Road on September 22, 2005. [5]
Map of the United States with Alaska highlighted. Alaska is a state of the United States in the northwest extremity of the North American continent. According to the 2020 United States Census, Alaska is the 3rd least populous state with 733,391 inhabitants [1] but is the largest by land area spanning 570,640.95 square miles (1,477,953.3 km 2). [2]
The Pershing Map FDR's hand-drawn map from 1938. The United States government's efforts to construct a national network of highways began on an ad hoc basis with the passage of the Federal Aid Road Act of 1916, which provided $75 million over a five-year period for matching funds to the states for the construction and improvement of highways. [8]
The Federal Highway Administration funds four routes in Alaska and three routes in Puerto Rico under the same program as the rest of the Interstate Highway System. However, these routes are not required to meet the same standards as the mainland routes:
Alaska is arguably the least-connected U.S. state in terms of road transportation. Its road system covers a relatively small area of the state, linking the central population centers and the Alaska Highway, the principal route out of the state through Canada. The state capital, Juneau, is not accessible by road, which has spurred several ...
The portion of the Alaska Highway in Alaska was planned to become part of the United States Numbered Highway System and to be signed as part of U.S. Route 97 (US 97). In 1953, the British Columbia government renumbered a series of highways to Highway 97 between the U.S. border at Osoyoos, US 97's northern terminus, and Dawson Creek.
The only non-road in the National Byway System; also an All-American Road Alaska Marine Highway: Southcentral & Cross Gulf Routes, Southwest & Aleutian Island Routes Unalaska: Cordova: 1,650 2,660 Dalton Highway: Livengood: Deadhorse: 414 666 Alaska Route 11: Glenn Highway: Anchorage: Glennallen: 139 224 Alaska Route 1: Passes a large series of ...