1. Anderson, R., Giaimo, G., Greene, E., Geilich, M., Hathaway, K., Flake, L. (2015). First Large-Scale Smartphone-Based Household Travel Survey in USA–Pilot Results. Travel Forecasting Resource wiki entry. Available from: http://www.tfresource.org/images/b/bb/ITM16_First_Large-Scale_Smartphone-Based_Household_Travel_Survey_in_USA_%E2%80%93_Pilot_Results.pdf.
2. Department of Transportation and Federal Highway Administration, U.S. Department of Transportation, Federal Highway Administration, 2017. National Household Travel Survey. Available from: https://nhts.ornl.gov.
3. U.S. Department of Transportation, Federal Highway Administration, Travel Model Improvement Program, 2018. MAG Large-Scale Regional Travel Surveys and Bottleneck Survey. Available from: https://tmip.org/content/mag-large-scale-regional-travel-surveys-and-bottleneck-survey-october-18-2017.
4. Urban Transportation Planning in the United States;Weiner,2008
5. Zalewski, A., Sonenklar, D., Cohen, A., Kressner, J., Macfarlane, G.,2019. Public Transit Rider Origin-Destination Survey Methods and Technologies: A Synthesis of Transit Practice. Transit Cooperative Research Program Synthesis 138.