describe the system mentioned above?
It is a network of controlled-access highways that forms part of the National Highway System in the United States.
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. Construction of the system was authorized by the Federal Aid Highway Act of 1956. The system extends throughout the contiguous United States and has routes in Hawaii, Alaska, and Puerto Rico.
how far is carlisle pennsylvania from my location UNANSWERABLE what is the main topic about? The Pennsylvania Turnpike is an east–west toll highway. which route does it connect to? Begins at the Ohio state and ends at the New Jersey. does the first place mentioned experience any seismic activities? It has registered more than 200 earthquakes with a magnitude of 2.0 or higher have occurred since 1776. what are the people native to this place? Many of these Ohio-country nations were multi-ethnic  and sometimes multi-linguistic. when was the aforementioned toll highway commissioned? During the 1930s. and was there a reason for it being different? It was one of the earlier long-distance limited-access highways in the United States, and served as a precedent for additional limited-access toll roads and the Interstate Highway System.
wiki:11578581
Interstate Highway System [SEP] Introduction
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. Construction of the system was authorized by the Federal Aid Highway Act of 1956. The system extends throughout the contiguous United States and has routes in Hawaii, Alaska, and Puerto Rico. The U.S. federal government first funded roadways through the Federal Aid Road Act of 1916, and began an effort to construct a national road grid with the passage of the Federal Aid Highway Act of 1921.