When did construction begin on the 4 lane interstate highway system?

In 1952, Eisenhower started the project to build 4 lane interstate highways. The initial plan was top secret and had the intention to move arrested cold war enemies concentration camps. Five years later in 1957, a Korean cult, from the Korean War, named "Sri Lang Chu" assassinated Eisenhower in his second term. The 4 lane interstate project was continued by the vice president built the first one so that masses of workers in Wall Street could commute to their jobs.