The document discusses monitoring the performance and quality of bus rapid transit (BRT) systems. It outlines why monitoring is important for management and planning purposes. Some typical criteria that are monitored include ridership, reliability, safety, customer satisfaction, and industrial/supply metrics like operating costs and vehicle maintenance. The document also provides a case study of the Janmarg BRT system in Ahmedabad, India, which transparently monitors and reports over 60 performance indicators each month. This data is used for benchmarking, management oversight, and system improvements.