Contributors

Mary Lynn Tischer, Editor-in-Chief
Susan Lapham, Associate Editor
John V. Wells, Associate Editor
Marsha Fenn, Managing Editor
Lisa Pendrick, Assistant to the Editor-in-Chief
Dorinda Edmondson, Desktop Publisher
Chip Moore, Editor
Peg Young, Statistical Consultant
Martha Courtney, Editor
Lorisa Smith, Editorial Assistant
Ketreena Hamilton, Editorial Assistant

The views presented in the articles in this journal are those of the authors and not necessarily the views of the Bureau of Transportation Statistics. All material contained in this journal is in the public domain and may be used and reprinted without special permission; citation as to source is required.