The park is 7,000 acres (28 km²) situated in a pineforest with approximately 1,100 acres (4.5 km²) for development. As of the early 2000s, more than 100 R&D facilities exist at RTP with some 38,500 employees. The park is next to Interstate 40 and the Durham Freeway.
Companies and institutions in or near the Research Triangle Park