Railroad technologies
City planners saw a great promise in railroad technologies in resolving the problems facing public transports. As a result, railway transport was immensely integrated into several city public transport systems.
This act authorized the building of highways throughout the nation, which would be the biggest public works project in the nation's history. Popularly known as the National Interstate and Defense Highways Act of 1956, the Federal-Aid Highway Act of 1956 established an interstate highway system in the United States.