A statement about open access

The Conference proceeding published by International Conference on Transportation Research (ICTR 2019) is an open access publication which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in the proceedings without asking prior permission from the publisher or the author. There is no charge to download articles for one’s own scholarly use.