The Sokkelplan (The Sculpture Gallery for The Hague) after a concept by P. Struycken from 1990) is a gallery of sculptures on an oval granite pedestal, placed every 25 meters in the pedestrian area of ​​the center of The Hague: Grote Marktstraat, Kalvermarkt and Spui. The pedestal plan means that forty Dutch sculptors have been or will be invited to make a sculpture for the sculpture route.

P. Struycken introduced the pedestal because it literally and figuratively forms a connection between the urban space and the sculpture. Because every artist has to adhere to the same measurements, the diversity nevertheless acquires a coherence that can maintain itself on an urban development scale.The pedestal was designed by ceramicist Geert Lap. The text boards at the pedestal sculptures were designed by designer Rudo Hartman.