Hugo Black

“ We have today affirmed the Court of Appeals' judgment in the Alstate case. The reasons we gave for affirming that case require that this case be reversed because the state courts erred in holding that the complaint failed to set out a good cause of action under the Fair Labor Standards Act. ”

“ The concrete was processed for use by these customers on Pennsylvania projects. The Railroad used its concrete for repair and maintenance of its roadbeds over which were operated interstate passenger and freight trains. The Turnpike used its concrete for laying and building 'a highway which handles the flow of commerce between the states.' The airport used concrete to build and erect landing fields to accommodate the flow of airplanes in interstate commerce. ”