ROAD is the acronym for Directory of Open Access scholarly Resources. This is a free service provided by the ISSN International Centre. ROAD was launched as an independent website in December 2013 by the ISSN International Centre with the support of the Communication and Information Sector of UNESCO. ROAD is now integrated into the ISSN portal. provides a free access to a subset of ISSN bibliographic records. These records describe the scholarly resources in open access that have been identified by the ISSN Network.