Web application for TUW intersections work. Available at https://intersections.geo.tuwien.ac.at/
Main functionalities are selection with a Polygon, Search and Extent for road and path intersections, i.e. all walkable intersections.
You are free to use the data provided by this website for your own research. If you do so, acknowledge our work by citing the following paper:
Paolo Fogliaroni, Dominik Bucher, Nikola Jankovic, and Ioannis Giannopoulos. Intersections of Our World. In Proceedings of the 10th International Conference on Geographic Information Science (GIScience), Leibniz International Proceedings in Informatics (LIPIcs), Dagstuhl, Germany, 2018 (in print). Schloss Dagstuhl–Leibniz-Zentrum fuer Informatik.