Preface

Abstract

Excellency, Drs. Bedjo Santoso, MT. Ph. D., Rector Universitas Islam Sultan Agung; Honorable, Assoc. Prof. Dr. Mohd Ismid Bin Md Said, Pro-Vice Chancellor (International) UTM; Respectable, The distinguished guests and the participants, ladies and gentlemen.Welcome to the International Forum on Integrated Infrastructure Development (InFInID 2021) Hybrid Conference, which consists of 12th International Conference on Geotechnical Engineering in Tropical Regions (GEOTROPIKA), 2nd International Conference on Highway and Transportation Engineering (ICHITRA), and The 4th International Conference on Delta & Coastal Areas (ICCDA 4 2021), 21–22 September 2021.Due to the global health issue of coronavirus disease (COVID-19), InFInID 2021 is being held in mixed mode, offline and online. The conference is divided to Panel and Parallel session (7 parallel sessions, 3 rooms for 3 fields per session). I also want to inform that we will have ‘Best Paper’ Award for some topics and ‘Best Presenter’ Award for each session. For all presenters, do your best and catch the reward. The next step is publishing all paper to IOP Conference Series: Earth and Environmental Science, Scopus Index.May the conference run smoothly and the goals will be achieved. And last, but not least, I would like to thank you, our shareholders, for continuing to support us, in good times, and in difficult ones. Hope that the pandemic will leave us soon, and we will have the opportunity to meet again face to face. My best wishes to you all!Prof. Dr. Ir. S. Imam Wahyudi, DEAChairman of ICCDA 4List of Patrons, Advisors, Chairmen, Secretaries, Reviewer are avilable in this pdf.