Huygens ING is housed in the building of the Royal Library of the Netherlands (Koninklijke Bibliotheek or ‘KB’), on the fifth floor of the ‘B’ and ‘I’ wings. The building can be accessed through the reception areas of the Royal Library or the National Archives (the shortest route from the Central Station, Den Haag CS).
From Prins Claus junction (convergence of A12, A13 and A4), take the A12 towards Den Haag (the ‘Utrechtse Baan’). Take exit 2 (P-Centrum). At the first set of traffic lights continue onwards; turn left (to drop people off) or turn right (to park, into the Theresiastraat) at the next set of traffic lights. At the moment, visitors are not allowed to park on the Royal Library compound. There is paid parking in streets around the Library.