The spatial disintegration of transit systems and land development is a vital challenge to the effectiveness of transit-oriented development policies.While transit-land use integration or disintegration has received much research interest,conclusions remain mixed.This paper aims to clarify this area,using the large city of Beijing,China,as a case study.It evaluates whether and how Beijings land and metro developments have been disintegrated according to the basic principles of the Alonso-Muth-Mills model.