1. Introduction

2. Review of Existing Literature on Household Travel Survey Sample Size

3. Comparison of Recent Household Sampling Rates from Around the World

4. Empirical Investigation on the Representativeness of a Large Sample Household Travel Survey: The Case of the Transportation Tomorrow Survey (TTS)

5. Empirical Investigation on the Sample Size Requirement for Trip Distribution

6. The Case of The TTS and Similar Large Scale Regional Travel Surveys

8. Empirical Investigation on the Calculation of Sample Size for the TTS Based on Trips by Time, Mode and Purpose

9. Conclusion and Suggestion for Further Research