1. Accident Characteristics on Low-Volume Roads in Indonesia
2. Apronti, D. T., J. J. Herpner, and K. Ksaibati. 2015. Wyoming Low-Volume Roads Traffic Volume Estimation. Final Report FHWA-WY-16/04F. Cheyenne: Wyoming Department of Transportation.
3. Barrett, M., R. Graves, D. Allen, J. Pigman, G. Abu-lebdeh, L. Aultman-Hall, and S. Bowling. 2001. Analysis of Traffic Growth Rates. Final Research Report KTC-01-15/SPR213-00-1F. Lexington: Kentucky Transportation Center.
4. Cost-Effective Reporting of Travel on Local Roads