Statistical Policy and Research BTS Guide to Good Statistical Practice 2. Planning Data Systems

Graphic Version

Process flowchart with six shapes and five connectors.

Parallelogram 1, 2 and 4 flow into Rectangle 3...

Statistical Policy and Research BTS Guide to Good Statistical Practice 6. Evaluating Information Quality

Once a data system exists, the key to achieving and maintaining a high level of data quality is to regularly assess all aspects of data quality and improve the data collection and...

BTS Guide to Good Statistical Practice

September 2002

Research Project Number 2 Develop common criteria for reporting injuries and deaths

The problem: Transportation-related deaths and injuries are key measures of interest in the department's strategic plan. But the modes currently use up to eight different sets of definitions and...

Research Project Number 9 Explore options for using technology in data collection

The problem: Much of our data collection for safety data continues to follow old patterns of paper reportingsometimes still on paper, and sometimes an automated facsimile of paper reporting. This is manually...

Research Project Number 6 Develop better data on accident precursors or leading indicators

The problem: Accidents, deaths, and injuries are "lagging" indicators, in the sense that they tell us after things have already gone wrong. "Leading" indicators, on the other hand, might be useful in...

Overview

Deaths and injuries are a major cost in transportation. Transportation fatalities rank third as the cause of lost years of life in the U.S. (behind heart disease and cancer). Several travel modes have death counts whose impact exceeds that of AIDS. But the Department of...

Section 2 How The Transportation Sector Can Work Together to Improve Safety Data

Sustaining the momentum achieved during the modal workshops and national conference is key to furthering the objectives of Safety In Numbers and moving from discussion to action. Stakeholders have continually...

Research Project Number 10 Expand, improve and coordinate safety data analysis

The problem: The purpose in collecting data is to enable analysis to help understand the causes and circumstances of transportation-related deaths and injuries, and then to help reduce deaths and injuries. But...

Research Project Number 8 Link safety data with other data

The problem: The essence of data analysis is finding patterns and relationships. To the extent that our programs are guided by data analysis, people need easy access to a variety of data and the ability to link those data to reveal...