Basic Report
RESEARCH
KOTI - Korea Transport institute
(RR-24-05) Investigation and Improvement of Traffic Crash Data Collection and DB System for High-resolution Crash Causality Analysis
- Date
July 01 2025
- Authors
Seung Kook Wu, Jae ick Shim, Dong youn Lee, Hyo eun Kim, Sang jo Lee
- Page(s)
13 page(s)
1. Research Overview
Currently, all traffic accident investigation data is collected by the police and processed by the Korea Road Traffic Authority (KOROAD). These accident data are published in the Traffic Accident Analysis System (TAAS). However, details of accidents such as driver behavior are not released, and only data that is partially permitted can be accessed.
Each traffic data is limited to access of general information such as the approximate location of the accident, type of accident, and severity of injuries. The detailed database of individual accidents based on the Traffic Accident Statistics Form (Police Agency Directive No. 860) is not available for sharing with the public. Accident circumstance information was disclosed in the past; however, it is not made public due to personal information protection reasons. Furthermore, there is no system to officially request a database on the circumstances or attributes related to accidents.
Among the road user groups in the country, pedestrians are the most vulnerable group in terms of fatal accidents. To establish traffic accident prevention measures based on accident causes to improve traffic safety in vehicle-to-pedestrian accidents, it is necessary to:
○ Conduct efficient on-site investigations
○ Establish and manage a database
○ Set the scope of disclosure for specific data on individual accidents (such as accident circumstances and related attribute information)
○ Develop an institutional framework for officially requesting such data
These are needed to improve the safety of pedestrians in traffic accidents involving vehicles.
Against this background, this study proposes improvements to traffic accident investigation items, enhancements of the traffic accident database structure, and legal and institutional reforms for DB sharing. These proposals are intended to establish effective traffic accident prevention measures with a precise analysis of the causes of pedestrian fatal traffic accidents.
Currently, all traffic accident investigation data is collected by the police and processed by the Korea Road Traffic Authority (KOROAD). These accident data are published in the Traffic Accident Analysis System (TAAS). However, details of accidents such as driver behavior are not released, and only data that is partially permitted can be accessed.
Each traffic data is limited to access of general information such as the approximate location of the accident, type of accident, and severity of injuries. The detailed database of individual accidents based on the Traffic Accident Statistics Form (Police Agency Directive No. 860) is not available for sharing with the public. Accident circumstance information was disclosed in the past; however, it is not made public due to personal information protection reasons. Furthermore, there is no system to officially request a database on the circumstances or attributes related to accidents.
Among the road user groups in the country, pedestrians are the most vulnerable group in terms of fatal accidents. To establish traffic accident prevention measures based on accident causes to improve traffic safety in vehicle-to-pedestrian accidents, it is necessary to:
○ Conduct efficient on-site investigations
○ Establish and manage a database
○ Set the scope of disclosure for specific data on individual accidents (such as accident circumstances and related attribute information)
○ Develop an institutional framework for officially requesting such data
These are needed to improve the safety of pedestrians in traffic accidents involving vehicles.
Against this background, this study proposes improvements to traffic accident investigation items, enhancements of the traffic accident database structure, and legal and institutional reforms for DB sharing. These proposals are intended to establish effective traffic accident prevention measures with a precise analysis of the causes of pedestrian fatal traffic accidents.
[ Contents ]
1. Research Overview
2. Major Results
2-A. Process of Generating Traffic Accident Statistical Reports
2-B. Implications from International Traffic Accident DB Systems and Sharing Policies
2-C. Improvement of Traffic Accident DB Classification Based on Basic Statistical Analysis
2-D. Improvement of DB Classification Based on Accident Overview Data
2-E. Improving Classification of Database Items for Monitoring Traffic Safety Policies
2-F. Investigation of Major Traffic Accident Causes Related to Road Facilities or Vehicles
2-G. Improvement of the Accident Database and Legal Framework for Data Sharing to Enable In-Depth Analysis of Fatal Traffic Accidents
3. Policy Suggestions
3-A. Improvement Plan for the Traffic Accident Statistical Report
3-B. Legal Amendment Plan for Traffic Accident Database Sharing
1. Research Overview
2. Major Results
2-A. Process of Generating Traffic Accident Statistical Reports
2-B. Implications from International Traffic Accident DB Systems and Sharing Policies
2-C. Improvement of Traffic Accident DB Classification Based on Basic Statistical Analysis
2-D. Improvement of DB Classification Based on Accident Overview Data
2-E. Improving Classification of Database Items for Monitoring Traffic Safety Policies
2-F. Investigation of Major Traffic Accident Causes Related to Road Facilities or Vehicles
2-G. Improvement of the Accident Database and Legal Framework for Data Sharing to Enable In-Depth Analysis of Fatal Traffic Accidents
3. Policy Suggestions
3-A. Improvement Plan for the Traffic Accident Statistical Report
3-B. Legal Amendment Plan for Traffic Accident Database Sharing