With the sponsorship of Elsevier to the 3rd International Conference on Transportation Geotechnics (4-7 September 2016, Guimar?es, Portugal) a Special Issue of Transportation Geotechnics Journal on ?Use of Geosynthetics in Transportation Geotechnics? is free for download until 30th November, as well as the keynote lectures: Advances in ground modification with chemical additives: From theory to practice. Rutting prediction in airport pavement granular base/subbase: A stress history based approach. ""