APTA：2023年北美公共交通车辆数据库报告（英文版）

This database was designed to repart and summarize data for vehicles bul before Jaruary 1. However, transtagency recards otten do not record vehide age on this basis, but rather by year of delvery, year of acceptance.or espedaly tor automoblles and vans, model year (in which vehides tor a model year may be built as early asAugust af the preceding year). Orders for large numbers of vehides are often delivered in groups af 20 to 50vehides; thus, any vehide built late in a year may be held at th