TRB Transit Cooperative Research Program (TCRP) Synthesis 26: Bus Transit Fare Collection Practices It documents fixed route bus fare collection practices at selected transit agencies. Survey responses about fare policy, fare collection equipment, fare disputes, and fare evasion issues, as well as customer information and the impact of financial assistance are offered. 

This report is published at https://www.trb.org/news/blurb_detail.asp?id=2435