Environments surrounding outstanding infrastructures are not only essential for the advancement of science; they also generate innovation, influence social climate, and attract talent. also, corporations with needs for high-level expertise prefer to establish themselves near these research environments. The Swedish Research council?s Guide to infrastructure provides an overview of the long-term needs for research infrastructures to enable Swedish research of the highest quality in all scientific fields. in particular, it addresses new infrastructure proposals that have achieved a sufficiently high level of scientific and technical maturity that it is time to decide whether or not to implement them. This report updates the first version of the Swedish roadmap for research infrastructures, published in 2006. Research infrastructures include, e.g. central or distributed research facilities, databases, and extensive data networks.