This dataset provides monthly measures for on-time running, service cancellations, customer complaints, and customer experience metrics across all Greater Sydney Bus Contract (GSBC) and Outer Sydney Metropolitan Bus Contract (OSMBSC) contracts. __Data Description :__ *__Monthly % Bus Service Cancellations :__ Percentage of timetabled services that were cancelled at the First Transit Stop of a trip.* *__Monthly % Bus Service Untracked Trips :__ Percentage of timetabled services that were not tracked in real time at the First Transit Stop of a trip.* *__Monthly Bus Driver Vacancies :__ Number of driver vacancies.* *__Monthly Bus Related Complaints :__ The level of bus related customer complaints per 100,000 boardings.*