Driver Quality Monitoring (DQM) is a safety critical service. TfL funds DQM to ensure and promote safe bus driving through an objective assessment of driving standards. DQM involves assessors covertly boarding a bus whil…
e in service and conducting a circa 20-minute assessment scoring the driver's performance against a comprehensive list of categories. The categories include braking, acceleration, steering, respect for traffic signals and a range of safety-related issues.The assessor produces a report which consists
of a score between 1 and 4 for each category and a small commentary - this is made available online for garage managers to discuss with the driver. TfL and the bus companies also use DQM to monitor trends by route, garage, and operator acr