1939. The picture in Europe
When peace finally settles in Spain, in the rest of Europe it is another great battle brewing. It is a period of growth for the vehicle fleet, which also continues its technical evolution. Soon they begin to required new and profound improvements in the design of the road. In the years preceding the outbreak of the Second World War two different techniques, the German motorway, constructed from 1933 with strong rigid cement, and developed in the United States, flexible pavement granular base layer developed asphalt.
