Event: ADB-ASEAN Regional Train the Trainer Road Safety Capacity Building Program Road Safety Data Systems 5 - Data Quality 26 June 2014 Author / Speaker Blair Turner Certain issues have a negative impact on the quality and usefulness of road safety data, and these include missing or incomplete data, differences in variable definitions, and underreporting, among others. There is a need to adopt effective techniques that will address data quality issues, with some examples featured in this module. Disclaimer The views expressed on this website are those of the authors and do not necessarily reflect the views and policies of the Asian Development Bank (ADB) or its Board of Governors or the governments they represent. ADB does not guarantee the accuracy of the data included in this publication and accepts no responsibility for any consequence of their use. By making any designation of or reference to a particular territory or geographic area, or by using the term “country” in this document, ADB does not intend to make any judgments as to the legal or other status of any territory or area. Topics Transport