英 文 交 通 词 汇 与 术 语 释 义 目 录A......................................................................................................................................................................1Arterial.....................................................................................................................................................................1Automated Vehicle Identification (AVI).............................................................................................................1Average Annual Daily Traffic (AADT)..................................................................................................................1Average Daily Traffic............................................................................................................................................1Average Weekday Daily Traffic (AWDT).............................................................................................................1B..................................................................................................................................................................2Benefit/Cost (B/C) ratio............................................................................................................................................2Bottleneck................................................................................................................................................................2C..................................................................................................................................................................2Capacity................................................................................................................................................................2Categorical Exclusion....................................................................................................................................