10-kph pace 10-kph速差间距20-pen graphic recorder 20笔图形记录器3 phase 三时相30th Highest Hurly Volume 30HV 第30最高小时交通量3-Centered Compound Curve Centerline 三心复曲线3-Leg Interchange 三路立体交叉3-Leg Intersection 三路交叉4 phase with overlaps 四时相重叠时相4-Leg Interchange 四路立体交叉4-Leg Intersections 四路交叉AA.M. Peak Period 早上尖峰时段Benkelman Beam 彭柯曼梁Absolute speed limit 绝对速限Abutment 桥台；桥座Abutting property 邻街建筑物Acceleration Grade 加速坡度Acceleration lane 加速车道Acceleration Resistance 加速阻力Accelerative start-forced return 加速进行超车强迫紧急返回原车道Accelerative start-voluntary return 加速进行超车随意从容返回原车道Acceptable gap 可接受间距Acceleration Lane 加速车道Access 出入口Access Control 出入管制；进出管制Access-Controlled Highway 出入管制公路Access Lane 出入车道Access Network 接取网络Access ramp 出入引道Access road 连络道Access Road System 连络道路系统Accessibility 可及性Accident 肇事；事故；意外事件Accident (Crash) Occurrence 事故发生Accident (Crash) Rate 事故率Accident (Crash) Severity 事故严重性Accident Analysis 事故分析；意外分析；肇事分析Accident Assessment 事故鉴定Accident Casualty 事故伤亡Accident Cause 事故原因Accident Characteristics 肇事特性Accident Consequences 意外事故的后果Accident Hazardous Location 易肇祸路段Accident Investigation 事故调查Accident Involvement Rate 肇事牵连率Accident Liability Assessment 事故责任鉴定Accident Management 意外管理Accident Prevention 肇事预防Accident Prone Location 易肇事地点Accident Proneness 肇事倾向Accident Rate 肇事率Accident Reconstruction 事故重建Accident Risk 事故风险Accident Severity 事故严重度Accident-severity ratio 肇事严重性比率Accumulate vehicle-second 累计车秒数Accuracy 精度Acoustic absorptivity ACI 感音吸收力Active Warning Device 主动警告设施Actual flow rate 实际车流率Actual travel time 实际行驶时间Actuated Signal 触动式控制Adaptive Control 调适性控制Adaptive route choice 适应性路线选择Adaptive signal 适应性号志Adaptive signal control 适应性号志控制Adaptive signal control strategy 适应性号志控制策略Added turning lane 转向车道Adit 横坑Adjustment factor 调整因子Adjustment Flow 调整流量Adult guard 成人导护Advance warning marking 早期警告标线Advanced driver information system ADIS 先进驾驶人信息系统Advanced payment 预付款Advanced Public Transportation Services APTS 先进大众运输服务；先进公共运输系统Advanced public transportation system 先进公共运输系统；高等旅客信息系统Advanced Traffic Management Services ATMS 先进交通管理服务Advanced Traveler Information Services ATIS 先进旅行者信息服务Advanced Vehicle Control and Safety Services AVCSS 先进车辆控制及安全服务Advanced vehicle control system 先进车辆控制系统Advance-green design 早开绿灯设计Advancing effect 前进效应Advancing shoring method 支撑先进工法Adverse slope 逆坡Aeolian Soil 风积土Aerial camera 航空摄影机Aerial leveling 航空水平测量Aerial Map 航测图Aerial perspective 鸟噉图；空中透视Aerial photogrammetric target 航空标Aerial photogrammetry 航空摄影测量Aerial Photography 航空摄影术Aerial Survey 航空测量；空中测量Aerial Tramway 空中缆车Aerocamera 航空摄影机Aerotriangulation 空中三角测量Age distribution of vehicle 车龄分布Overload, Overloading 超载Aggregate 粒料、骨材（名词）；聚集的（形容词）Aggregate Interlock 粒料连锁Aggregate Spreader 粒料撤布机Aggregate Subbase 粒料级配底层Aggregate Texture 粒状组织Air quality monitoring station 空气品质监测站Air Release Valve 气阀Air resistance 空气阻力Air-dried Sand 风干之沙Air-Entraining Cement 输气水泥Alcohol involved accident rate 涉及酒精之肇事率Alidade Stadia Method 照准测距法Alignment 路线配置；排列；定线；线向；路线Alignment Design 路线设计；定线设计Algorithm 算法则Alkaline 碱性反应All-day Service 全天候服务All-Directional Interchanges 全直接交叉型交流道Alley 巷；道Allied Soil 杂质土All-night parking 整夜停车Allowable Bearing Capacity 容许承载量Allowable Bearing Stress 容许承载应力Allowable load 容许载重Allowable Load Repetition 容许荷重次数Allowable settlement 容许沉陷量Allowable stress 容许应力All-red Interval 全红时段Alluvial Silts Colloidal 胶质体冲积粉土Alternate Design 比较设计；变换设计Alternate Method 替代方法Alternate signal system 互亮（换）号志系统Alternate System 迭亮系统Alternative(s) 替代（换）方案Amber Arrow 箭头黄灯Amber Flashing 闪光黄灯Amber light, Yellow interval 黄灯American Association of State Highway OfficialsAmerican Association of State Highway and Transportation Officials AASHTO 美国州公路与运输官员协会American Concrete Institute ACI 美国混凝土学会；美国混凝土研究会American Federal Highway Administration FHWA 美国联邦公路总署American Institute of Transportation Engineers ITE 美国交通工程师学会American Road and Transportation Builders Association ARTBA 美国公路与运输承造人协会American Society for Testing and Materials ASTM 美国试验及材料协会American Society of Civil Engineers ASCE 美国土木工程师协会Amount of light 光量Amplification 放大Amplification effect 放大效应Amplification factor 载重放大因子Amplifier 扩大器Anew Issue License 补照；补牌Anew Issue Plate 补牌Angle collision 角撞Angle of Coverage 视角Angle of Deflection 偏角Angle of Friction 摩擦角Angle of internal friction 内摩擦角Angle of intersecting 交车角度Angle of repose 静止角；安息角Angle of Turn 转向角Angle parking 斜角停车Angular acceleration 角加速度Anionic Asphalt Emulsions 阴离子乳化沥青Announced Land Current Value 公告土地现值Annual Average Daily Traffic AADT 年平均每日交通量Annual budget 年度预算Annual Daily Traffic ADT 平均每月交通量Annual Highway Cost 公路年费；公路年金Annual Illumination 计算平均照度Annual Parking Duration 平均停车延时Annual Parking Space Occupancy 平均车位使用率Annual Traffic 年交通量Annual Tur