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 Turn-over Rate 平均车位小时使用率Annuity Bond 年金法公债Apparent Specific Gravity 虚比重Apparent-deflection 视挠度Application Program Interface API 应用程序接口Approach 邻近路口之路段；引桥；引道Approach Delay 邻近路段延滞Approach end 邻近端Approach pit 导坑Approach road 引道；引路Approach slab 引道版Approach speed 邻近速率Approach to obstructions 近障碍物线Approach way 邻近路段Approach, Approach fill, Approach lane, Approach road 引道Appropriate measures 适当防制措施Approved with conditions 有条件通过审查Approximate speed 近似速率Apron space 运转空间Aqueduct tunnel, Headrace tunnel 导水隧道Arbitrary Proportioning 固定比例法Arbitration 仲裁Arc 弧线Arc/path incidence matrix 路段/路径指引矩阵Arcade 骑楼Arch bridge 拱桥Arch Bridges 指向标线Arch Culverts 指针式Arching 拱效应Architectural 建筑Architectural Flow Diagram AFD 架构流向图Archived Data Application 归档资料应用Area computation by coordinate method 面积计算坐标法Area Control 区域控制Area of potential collision 潜在碰撞区域Area Rule 面杖法Area traffic control 重点交通管制Area Traffic Control System 区域交通控制系统Areawide intercarrier consolidation system 地区货运业并装系统Areawide System Control 全区域控制Arrival Intervals 到达间距Arrival pattern 到达型态Arrival rate 到达率Arrival time 到达时间Arrival Type 到达型态Arterial 主要干道Arterial Highway 干线公路Arterial route 干线Articulated Bus 双节公车Asphalt, Asphalt Cement, Asphalt Binder 沥青（美国用语）；沥青胶泥Asphalt 沥青混凝土（欧洲用语）Asphalt additive 沥青添加剂Asphalt Base coarse 沥青底层Asphalt Concrete AC 沥青混凝土Asphalt Concrete Finisher 沥背混凝土铺筑机Asphalt concrete pavement 沥青混凝土铺面Asphalt content 沥青含量Asphalt Emulsion 乳化沥青Asphalt felt 油毛毡Asphalt Institute AI 美国沥青协会Asphalt macadam 沥青碎石路Asphalt Mixing Plant 沥青拌合场Asphalt mixture 沥青混合物Asphalt mixture design 沥青混凝土配比设计Asphalt mixture machine 沥青拌合机Asphalt mixture, Bituminous mixture 沥青混合料Asphalt pavement 沥青混凝土路面Asphalt pavement, Bituminous pavement 沥青铺面Asphalt plant 沥青拌合厂Asphalt surface coarse 沥青面层Asphalt mastic 沥青胶浆Asphaltene 沥青精Asphalt Pavement 沥青面路Asphalt Concrete Mixing Plant 沥青混凝土拌合厂Asset and liability 资产与负债Assignment Network 指派网络At scene investigation 肇事现场调查At-Grade Intersection 平面交叉Atmospheric Water 大气水Advanced traffic management system ATMS 先进的交通管理系统；高等交通管理系统Attainability 可及度Attendant-parking lot 雇员服务停车场Attentiveness 注意力Audible pedestrian signal 盲人音响号志Audio tone 低周波讯号Auger 螺旋钻Auto Restricted Zone 小型车限行区域Autoclave 高温高压蒸汽养护Automated Roadside Safety Inspection 自动化路边安检Automated toll system 自动化收费系统Automated Vehicle Operation 自动车辆驾驶Automatic Cam Control 刮刀的自动控制器Automatic Cargo Identification ACI 自动货物辨识Automatic classification 自动辨识Automatic Highway System AHS 自动公路系统Automatic incident detection 事件自动侦测；意外事故自动侦测Automatic Incident Detection AID 自动事件侦测Automatic inspection 自动检验Automatic level 自动水准仪Automatic navigation highway system 自动导航公路系统Automatic routing 自动绕径Automatic Vehicle Classification AVC 自动车辆分类Automatic vehicle control 自动车辆驾驶控制Automatic vehicle identification 车辆自动辨识Automatic Vehicle Identification AVI 自动车辆辨识Automatic vehicle identification system 自动车辆识别系统Automatic Vehicle Location AVL 自动车辆定位Automatic Vehicle Monitoring AVM 自动车辆监视Automatic vehicle monitoring system 自动车辆监测系统Automobile Transportation 汽车运输Automobile vehicle guiding system 车辆导引系统Automotive emission control 汽车排烟管制Autonomous intelligent cruise control 自主定速控制系统Auxiliary bridge 便桥Auxiliary Lanes 辅助车道Auxiliary Marking 辅助标线Auxiliary sign 辅助标志Average Annual Daily Traffic AADT 年平均每日交通量Average daily volume 平均日交通量Average Daily Traffic ADT 平均每日交通量Average delay per vehicle 每车平均延滞Average Delay Time 平均延滞时间Average discharge interval 平均驶离时段Average Headway 平均间距Average Highway Speed 平均公路速率Average Kilometer Per Registered Vehicle Per Day 每营业车辆每日平均行驶里程Average Kms Per Operating Vehicle Per Day 每实动车辆每日平均行驶里程Average Minimum Headway 平均最小间距Average Parking Duration 平均停车延时Average Parking Space Occupancy 平均车位使用率Average Passenger-Kilometers Per Vehicle Run 每车次客运密度Average Revenue Per Bus-Kilometer 每客车公里平均收入Average Revenue Per Passenger 每旅客平均收入Average Revenue Per Passenger-Kilometer 每延人公里平均收入Average Revenue Per Ton 每公吨货物平均收入Average Revenue Per Ton-Kilometer 每延吨公里平均收入Average Running Speed 平均行驶速率Average Service Time 平均服务时间Average Spot Speed 平均定点速率Average step length 平均步长Average Transport Distance 平均运程Average Transport Distance Per Passenger 每旅客平均运程Average Transport Distance Per Ton 每吨货物平均运程Average Travel Speed 平均旅行速度Average Turn-over Rate 平均车位小时转换率Average Waiting Time 平均等候时间Automated guided vehicle system AGVS 汽车自动导向系统Axle load, Axle weight 轴重Azimuth 方位角；地平经度BBacking collision 倒撞Back Calculation 反算Backfill 回填Balance Cut and Fill 均衡挖填Balanced Cross Section 平衡断面Balanced earthwork 土方平衡Ball-bank indicator 球状倾斜指示器Barrier Curb 障碍缘石Bank Gravel 河岸砾石Bank protection 护岸Banking, Earth fill, Fill 填土Banning of turning movement 禁止转向Barge 驳船；平底船Barricade 拒马Barrier 护栏；挡音墙Barrier Curb 栅栏式绿石Barrier System Toll Station 栅梢制收费站Barrier, Noise barrier, Noise barrier wall 防音墙Base Course 底层Base Line 基线Base of slope 坡底Base-Failure 底面破坏Basic capacity 基本容量Basic Fare 基本运价Basic route arrangement 基本路线安排法Basic speed rule 基本路线法令Basic Water Content 基本含水量Bas-kilometer 客车行驶里程Batch-Mix Plant 分盘式拌合厂；衡量式拌合厂Beacon 信号柱Beacons 指针Beam Culverts 梁涵洞Bearing Capacity Factor 承载量因子Bearing Capacity on Soil 承压破坏；承力破壤Bearing capacity, Carrying capacity 承载量Bearing pile 支永桩；承载桩；承重椿Bearing Plate 沼泽区城Bearing stratum 承载层Bearing Surface 承载面；平面支承Bearing test 载重试验Before and after studies 事前及事后研究Beginning of Curve BC 曲线起点Belt Highway 外环公路Bench Mark BM 水准点Bend, Bend channel, Bent, Channel bend, River bend 弯道Bending 挠曲；弯曲Bending design 弯道式设计Bending Index 别曲指数Bending moment 弯矩Bending stress 弯曲应力Benefit Assessment 受益费Benefit Cost Ratio 益本比Benefit-Factor Method 利益因素法Bentonite 皂土Berm Ditch 平台沟Bicycle 脚踏车Bicycle and motorcycle 机慢车Bicycle lane system 脚踏车专用车道系统Bid Bond 押标金Bid, Tender 投标Bike lane 脚踏车道Bikeway 脚踏车专用道Binary Choice 二项选择Binary Variable 二进制变量Binder Course 黏合料；结合层；黏合层Binder Material 结合料；黏合料Binders 粘结料Binding Course 结合层Binomial Arrival 二项到达Binomial Distribution 二项分配Bio-film treatment system 接触曝气法Birds' eye view 鸟噉图Bit 钻头Bit Per Second bps 每秒传输的位数Bitumen 沥青Bituminous Joint Fillers 沥青接缝填充料Bituminous Material 沥青材料Bituminous Overlay 沥青封层Bituminous Pavement Road 沥青铺路Bituminous Penetration Macadam 灌入式沥青路面Bituminous Pressure Distributor 沥青压力散布机Bituminous Sand Slurry 沥青沙浆Bituminous Surface Treatment 沥青表面处理Bituminous Water Proof Coating 沥青防水层Bituminous Treated Base BTB 沥青处理底层Bituminous Treated Sand Gravel 沥青处理砂砾Black-Hole Effect 黑洞效应Balance Cut and Fill 挖填之平衡Blast 开炸Blast Pad 喷气防护坪Blasting Method 炸移法Bleeding 路面冒油Blight proof courses 病虫害防治Blood alcohol concentration 血液中酒精浓度Blown Asphalt 吹制沥青Boiling 砂涌Bonding Agent 黏着剂Bore 钻凿Bored pile 钻掘桩Borehole 钻孔Boring log 钻孔柱状图Boring machine 钻机Boring Rod 钻杆Boring-core 钻孔岩心Borrow 借土；借方Borrow area 借土区Borrow Pit 借土坑；取土坑Bottle neck control 瓶颈路段（地点）管制法Bottle Neck Road 瓶颈段；瓶颈路Bottleneck 瓶颈Bottom Course 底层Bottom Flange 下翼绿Boulder 卵石Box caisson 沉箱；箱式沉箱；匣式沉箱Box Culvert 箱涵；箱形涵洞Box Drain 水沟渠；匣形沟渠Box girder 箱形梁Bracing 支撑Bracket / Chassis 拖架Brake failure, Defective brake 煞车失灵Brake light 煞车灯Brake Reaction time 煞车反应时间；制动反应时间Braking Distance 剎车视距（停车视距）Braking system 煞车系统Branch and Bound Algorithm 分枝界定法Breakdowns 故障Breaking of Emulsion 乳化沥青黏结Breaking Wave 碎波Breakaway 脱离式接头Breath alcohol concentration 呼气酒精含量Brick Pavement 砖铺路面；砖铺面Brick Pavement Road 砖铺路Brick Road 砖面路Bridge 桥梁Bridge Abutment 桥台Bridge Approach 桥粱引道Bridge bearing 桥支承Bridge deck 桥面板Bridge deck/floor 桥面Bridge expansion joint 桥面伸缩缝Bridge floor 桥面Bridge head 桥塔Bridge inspection 桥梁检测Bridge Management System 桥梁管理系统Bridge pier 桥墩Bridge railing 桥栏杆Bridge span 桥跨Brightness 照杜；辉杜；明亮度Brightness contrast 辉度对照比Brittle fracture 碎裂Brittleness 脆性；脆度Gravel Road 碎石路Broken Stone Surface 碎石路面Broken-back Curve 断背曲线Broken-Beach Grade Line 破背坡度线Benkelman Beam 彭柯曼梁Buckling 挫屈；路面拱起Budget 预算经费Budgetary estimate 经费概算Buffer 缓冲剂；缓冲器Buffer buildings 缓冲建筑物Buffer distance 缓冲距离Buffer reach 缓冲段Buffer time 缓冲时间Buffer zone 缓冲带Building Code 建筑规刖；建筑法规Building Coverage Ratio 建蔽率；建筑面积比Building Line 建筑线Built-in Parking Facilities 建筑物附设停车空间Bulb Type 球状Bulk Density 虚松体密度Bulk Specific Gravity 松比重；容积比重；虚比重Bulkhead 隔墙；天窗；驳岸；隔舱Bull Dozer 堆土机Bulldozer 推土机Bulldozer Blade 刮刀Bullet-nose 弹头尖端式Bullet-nose Form 弹头式Bumper 保险杆Bundle method 光束法Bureau of Public Road (renamed to FHWA) 美国联邦公路局Bus 大客车Bus Bay 公车湾Bus company 公车公司Bus driver 公车驾驶员Bus driving 公车运行Bus Exclusive Lane 公车专用道Bus fare 公车费率Bus Lane 公车专用车道Bus management information system 公车管理信息系统Bus network 公车路网Bus Operating Rate/Bus Dispatching Rate 出车率Bus operation 公车营运Bus operation management 公车营运管理Bus parking area 大客车停车场Bus Rapid Transit 公车捷运Bus ridership 公车运量Bus route 公车路线Bus route inquiring system 公车路线查询系统Bus scheduling 公车排班Bus speed limits 公车速限Bus station 公车停靠站Bus stop spacing 公车站距Bus Street 公车专用街道Bus system design 公车系统设计Bus system, Bus transit system, Public bus system 公车系统Bus Terminal 公车终站；公车总站；公车场站Bus transportation 公车运输Bus, Public bus 公共汽车Buses 大客革Bush hammering 粗面石工Business District 商业区Business Vehicle 营业车辆Bus-Kilometer 客车行驶里程Busway 公车专用道Butt Joint 平头接缝Button reflector 反光钮Buttressed Wall 外支墙Buttressed Abutment 撑式桥台墙Buttressed Retaining Wail 外支式挡土墙Bypass highway 绕越公路Bypass road 外环道Bypass route 绕道路线Bypass Street 绕越街Bypassing Traffic 绕越交通Bystreet 支街CCab Signal 车厢号志Cab, Taxi 出租车Cable Car, Cableway 空中缆车Cable stayed bridge 斜张桥；斜索桥Cable Suspension Bridge 索桥Caboose 车务员专用车Cadastral map 地籍图Cadastral Survey 地籍测量California Bearing Ratio CBR 加州乘载力比Canal Aqueduct 输水桥Canal Bridge 渠桥Canal Tunnel 输水隧道Cancellation 注销Candle (Candle Power) Cd, Cp 单位：烛光Cantilever Bridges 悬臂式桥梁Cantilever method 悬臂工法Cantilever retaining wall 悬臂挡土墙Cantilever type retaining wall 悬臂式挡土墙Cap 桩帽；雷管（俗）Capacitated arc routing problem 容量限制弦路径车辆行驶问题Capacitated freight distribution 零担货物运输Capacity 容量；涵容性Capacity analysis 容积分析Capacity and level of service analysis 容量与服务水准分析Capacity constraint, Capacity restriction 容量限制Capacity estimation 容量估计Capacity limitation 容量极限值Capacity model 容量模式Capacity of Bus Line 公车路线容量Capacity reduction factor, Strength reduction factor 强度折减因子Capacity utilization 容量使用率Capillary Lift 毛管水升高度；毛细管水升高度Capillarity 毛细管作用；毛细管现象Captive Riders 无自由选择的乘客Captive Transit Rider 大众运输固有使用者Car accident, Traffic accident 交通事故Car accreditation system 车辆认证制度Car body 车体Car detector, Vehicular detector 车辆侦测器Car following model 跟车模式；自动跟车系统Car navigation system 汽车导向系统Car Ownership 汽车持有；汽车持有权Car Pooling, Carpool 汽车共乘Car, Vehicle 车辆Carbon Dioxide CO2 二氧化碳Carphone 车用电话Car-Rental Carrier 小客车租赁业Carriage 马车Carrier wave 载波Casing 套管Cast stone 人造石Cast-in-place pile 场铸桩Cast-in-place (CIP) Concrete 场铸混凝土Casualty 伤亡Catalog Service Interface Specification 目录服务接口规范Catch Basin 集水井；截流井Catch Drain 排水沟；截水沟Catch Feeder 灌溉水道Cathodic method 阴极防锈法Cationic Asphalt Emulsions 阳离子乳化沥青Caution Light 警告灯Caution Sign 警告标；警告标志Caution Signal 注意信号；警告号志Cavitations 孔蚀现象；穴蚀现象Concrete Pavement 混凝土路面Critical Speed 临界速率Cement Grout 灌水泥浆；水泥灌喷枪Cement grouting 水泥灌浆Cement mortar 水泥砂浆Cement Paste 水泥浆Cement Treated Sand Gravel 水泥处理砂砾Cencrete Cribbing 框式混凝土挡土墙Census 普查Center Frog k形岔心Center Island 中央岛Center Line 中线；中心线Center Line Lane 中心车道；中央车道Center Line Marking 中心标线Center Platform (Island Platform) 岛式站台Center Span 中央跨孔Center(line) stake 中心桩Centerline 中心线Center-to-Center C2C 中心与中心Center-to-Field C2F 中心与现场Central Business District CBD 中心商业区Central corridor system 中央走廊系统Central Cross-Island Highway, East-West Cross-Island Highway 中横公路Central Divider 中央分向岛Central Island 分隔岛；中央岛；分向岛Central Mixing Plant 中央拌合厂Central projection 中心投影Central Shopping area 中央商业区Centralized Control System 集中式控制系统Centralized Traffic Control CTC 中央行车控制法Centrifugal force 离心力Centrifuge Cup 离心杯Centrifuge Kerosene Equivalent CKE 离心煤油当量法Certification, Accreditation 认证；核准Change License 换照Change of Registration 变更登记Changeable Message Sign, Variable Message Sign CMS 信息可变标志Changeable Speed Limit Sign CSLS 速限可变标志Changing Lane 变换车道Channel 槽道Channelized Intersection 槽化交叉Channelization 槽化Channelization island 槽化岛Channelized Intersection 槽化式交叉；槽化路口Channelizing Island 槽化岛Channelizing Line 槽化线；检核点Characteristic Deflection 代表性挠度Character arrangement 文字排列方式Character size 文字尺寸Charging system 收费系统Charter Bus 专用游览车Check Point 检核点Check Valve 逆止阀Chemical grouting 药液灌浆Chevron of divergence 分流式山形条纹Chevron of mergence 并流式山形条纹Chevron strip 山形条纹Chief Engineer 总工程司Child pick-up area 家长接送区Children-only Bus 幼童专用车Chinese road sign 中文道路标志Chord 弦；弦杆Chord Length 弦长Chute 竖槽；陡槽；吊沟Circle 周期Circle/Roundabout 圆环Circuit 环道（测）；电话（电）Circuit-switched Public Data Network CSPDN 线路交换公众数据网络Circular Arch 圆拱；弧拱Circular Curve 圆曲线；单曲线；圆弧曲线Circular failure 圆弧型破坏Circular green light 圆形绿灯Circular rod level 圆盒水准器Circular sliding surface 圆弧滑动面Circulation 通风；交通Circulation Map 交通图Circulation system 转乘系统Circumferential street (road) 外环（环状）道路City Bus 市区公共汽车City Planning 都市计画City Planning Commission 都市计画委员会City Planning Law 都市计画法City Rebuilding 都市重建City Transit 都市大众运输Clamshell 抓式挖土机Classification Count 分类调查Classification of road 道路分类Classification of Soil 土壤分类Clear distance 净距Clear height 净空高Clear Span 净跨距Clear Zone 清除区Clearance 净距Clearance Height 净高Clearance Lost Time 清道损失时间Clearance time 清道时间Climate Conditions 气候情况Climbing Lane 爬坡道．爬坡车道Clinker 溶块Close Network 封闭网络Close System Toll Station 封闭制收费站Close Tunnel 隧道区Closed Circuit Television Camera CCTV 闭路电视摄影机Closed Loop 封闭环路Closed Network 网络系统Closed traverse 闭合导线Clothoid Curve (Clothide) 螺旋曲线；克罗梭曲线；罗线形曲线Clover Leaf Interchange 四叶形交流道；苜蓿叶形交流道CO Detector 一氧化碳侦测器Coarse Aggregate 粗粒料；粗骨材Code 规范；数值Coefficient of friction, Friction coefficient, Frictional coefficient 摩擦系数Coefficient of Kinenatic Viscosity 动黏滞系数Coefficient of kurtosis 峰度系数Coefficient of Side Friction 侧犘擦系数Coefficient of Subgrade 路基抗力系数Cofferdam 围堰Coefficient of Utilitization CU 照明率Cohesion 凝聚力；黏力；黏结力Cohesion of soil 土壤之凝聚力Cohesive Value 凝聚值Cold-Mix Asphalt Concrete 泠拌沥青混凝土Collector Ditch 集水沟Collector Road 连络道路Collector Street 联络道路Collector-distributor Roads 集散道Collision 冲撞；碰撞Collision Accident 碰撞事故Collision area 碰撞区Collision diagram 碰撞图；相横示意因Collision Warning Systems 碰撞预警系统Color Light Signal 色灯号志Color contrast 色彩对比Color quality 光色品质Combination Truck Tractor-trailer 联结车Commercial Center 商业中心Commercial District 商业区Commerical Driver's License CDL 大型车辆驾照（16人以上）Commercial Fleet Management 商用车队管理Commercial Motor Vehicle CMV 商业用车Commercial Speed 商业运转速率Commercial Traffic 商车交通量Commercial Vehicle Electronic Credential Management 商用车辆电子凭证管理Commercial Vehicle Operating System 商用车营运系统Commercial Vehicle Operations CVO 商车营运系统Commercial Vehicle Operations Services CVOS 商车营运服务Commodity 商品Community Center 杜区中心Community Planning 社区规画Commuter 通勤者Commuter Rate 回数费率Commuter Rail, Commuter Train 通勤火车Commuting Distance 通勤距离Compacted Subgrade 压实路基Compaction 夯实；压实Compaction effort 夯实能量Compatibility 兼容性Compensation 征收补偿Compensation for Damage 损失赔偿Compensation for the land price 地价补偿Complementary Route 补充路线Complex intersection 复合适交叉路口Composite Beam 合成粱；复合粱Composition of Traffic 交通组成Compound Curve 复曲线Comprehensive 整体性Comprehensive parking program 综合性停车计画Comprehensive Planning 综合性计画Compressibility of Soil 土壤压缩性Compression 压缩；压力Compression Stress 压应力Compressive Strength 抗压强度Compulsory Purchase 征收Computer signal 计算机号志Computer signal lamp system 计算机号志系统Computer-Aided Dispatching System 计算机辅助派车系统Computerized traffic signal system 计算机化号志系统Concave 凹Concave Bank 凹岸Concave curve 凹形曲线Concave Joint 四缝Concave-convex 凹凸形Concentrated load 集中荷重Concentration time 集流时间Concentric opposed plane helical ramp 同心反向螺旋状匝道Concrete 混凝土Concrete barrier (New Jersey) 纽泽西（混凝土）护栏Concrete islands 混凝土交通岛Concrete joint 混凝土接缝Concrete Mixing 混凝拌合机Concrete Overlays 混凝土路面加铺Concrete pavement 混凝土铺面Cone 交通锥Cone of acute vision 明晰视锥角Cone of glance area 瞥视锥角范围Cone of sight 视锥角Conflict 冲突Conflict analysis 冲突分析Conflict Area 冲突区域Conflict lane change 冲突性变换车道Conflict management 冲突管理Conflict point 冲突点Congestion 拥挤Congestion degree 拥挤度Congestion delay 拥挤延滞Congestion dummy variable 拥挤虚拟变量Congestion pricing 拥挤定价Congestion Time 拥挤时间Congestion toll 拥挤费Conical Surface 圆锥面Connecting Road 连络公路Connector 连接道路Consistency 稠度Consolidation 压实；固结；压密Consolidation Rate 压密率Construction Contract 工程合约Construction Joint 施工接缝Construction Load 施工道路Construction Planning 施工计画Construction Sign 施工标志Construction Specification 施工规范Construction/Maintenance Zone 施工维修区Contact detector 接触式侦测器Contact strip 接触带Container Packing Shed 货柜并装通栈Container parking area 联结车停车场Container Trucking Carrier 货柜运输业Continuous Mixing Plant 连绩式拌合厂Continuous move-up operation 连续跟进行为Continuous Station 长期观测站Continuous Volume-count Program 长期持续性交通量调查Continuously reinforced concrete pavement CRCP 连续钢筋混凝土路面Continuous-Mix Plant 连续式拌合厂Contour Interval 等高线间隔；等高距Contour Line 等高线Contour Map 等高线图Contours 等高线Contract 契约Contract Change Order 契约变更通知Contraction Joint 收缩接缝Contractor 承包商Contraflow bus lane 逆向公车专用道Contributing area 集水面积Control Count 控制量交通调查Control of Access 出入管制Control point comparison 控制点比较法Control points 控制点Control Radius 控制半径Control section 管制路段Control span 控制限制Control Station 控制站Control strategy, Regulation strategy 管制策略Control survey, Control surveying 控制测量Controlled Access Highway 出入管制公路Controller 控制器Controlling Load 控制轮重Convenience store 贩卖区Conventional Roundabout 传统圆环Conventional Simulcast Radio System 同频发射共波式无线电话系统Converted traffic 转乘交通量Convex Function 凸函数Convex Joint 凸接缝Conveyer 输送机Conviction 违规Convoy 车队Cooperative Planning 合作规划Coordinate scheduling 协调排班Coordinated control 连锁控制Coordinated Control Signal 连锁控制号志Capital Cost 公路资本Cordon Count 周界交通量调查；内圈交通量调查Cordon Line 区域线；周界线Corridor 交通通廊Corridor Control 通廊控制Cost of Service 服务成本Count-down pedestrian signal 行人倒数计时显示器Counter flow 对向车流Counter map 等量线图Counter Wall 等高线Country road 乡道Courier service 快递服务Covered Conduit 暗渠Covered Ditch 加盖暗沟Crack Spacing 裂纹间距Crash 冲撞；碰撞Crawling lane 爬坡道Creep 潜变Crest Vertical Curve 凸形竖曲线Crew scheduling 人员排程Crib retaining wall 框条式挡土墙Critical bottleneck 关键瓶颈Critical gap 临界间距Critical Length of Grade 披道临界长度Critical Path 要径Critical Path Method CPM 要径法Critical Point 临界点Critical rate of flow 临界流率Critical Slope 临界坡度Critical speed 临界速度Critical Zone 临界区Crop 露头Cross road 十字路口；交叉路；十字路Cross Section 断面；横断面；截面Cross Slope 横向坡度Cross walk 行人穿越道Crossing 穿越Crossing facility 穿越设施Crossing maneuver 交叉穿越运行Crossing point 交会点Crossing rate 穿越率Crosswalk Line 行人穿越道线Crowding 拥挤Crown 路拱；路冠Crown Ditch 坡顶截流沟Crown line 路拱线Crude Oil 原油Cruise control 自动控速Crusher 碎石机Cubic Parabola 二次拋物线Cul-De-Sac 死巷Culvert 涵洞；箱涵Curb 缘石；路边石；护角Curb Bus Lane 设于路缘之公车专用车道Curb ditch 路缘浅沟Curb inlet 路缘进水口；绿石进水口Curb Lane 缘侧车道；路缘车道Curb Line 路边线Curb Loading Zone 沿路载货区；路旁装卸地带Curb Marking 缘石标线Curb parking 路边停车（场）Curb ramp 缘石坡道Cure 养治Curing 湿治；养护Curing age 养护材龄Curing compound 养护剂Curing Room 养护室；保养室Current Traffic 当时交通量；现有交通量Curvature 曲度；曲率Curve 曲线；曲线板；弯道Curve Path 曲线路线Curve, Bend 弯道Curved Bridge 曲线桥Cushion material 缓冲材料Cushioning effect 缓冲效应Cut 挖方Cut and cover method 明挖覆盖法（隧道）Cut and Fill 挖填（动词）；挖方和填方（名词）Cut-Back Asphalt 油溶沥青Cycle 周期Cycle Expansion/Contraction 周期增长缩短法Cycle slips 周波脱落Cycle Time 周期时间Cyclic scheduling 循环排班DDaily Rainfall 日雨量Daily time pattern 每日时态Daily Traffic 日交通量Daily variation diagram 日变化图Datum 基面Datum mark 基准点Datum Level 基准面Datum Line 基准线；基准面Datum Place 基准面Day Light Signal 日光式号志；灯光式号志Day Work System 日工制；点工制Daylight illumination 日光照明Dense-Graded Asphalt Concrete DGAC 密级配沥青混凝土Debris 漂流物；碎片Debris flow 土石流Debris hazard 土石灾害Deceleration 减速度Deceleration force 减速力Deceleration lane 减速车道Decentralize, Multilevel Control System 分布式多层控制系统Decision sight distance 反应视距Deck 版Deck Floor 桥面Deck Truss 面层式Deep excavation 深开挖Deep well method 深井法Default 违约（动词）Default Value 内设值Defective brake 煞车失灵Deflection 变位；挠度Deflection angle 倾斜角Deflection inclinometer 倾斜仪Deformation 变形Deformed Bar 竹节钢筋Deformed Plate 弯曲钣Deformed Plate Joint 曲板接缝Defrosting 解冻Degree of brightness 辉度水准；照度水准Degree of Compaction 压实度Degree of Congestion 拥塞度Degree of curvature 曲度Degree of loading 负荷度Degree of Saturation 饱和度Delay 延迟；迟延Delay duration 延滞持续时间Delay in queue 等候延滞Delay in system 系统延滞Delay model 延滞模式Delay rate, rate of delay 延滞率Delay study 延滞研究Delay timer 延滞定（对）时器Delineators 反光导标Delivery area 卸货区Delivery system 配送系统Delivery time 递送时间；送货时间Demand Curve 需求曲线Demand Response, Dial-a-Ride 拨召车辆Demand volume 需求流量Demand-Capacity Control 需求容量控制Demand-supply of parking spaces 停车空间的供需问题Demographic Data 人口资料Dense Grade Asphalt Concrete DGAC 密级配沥青混凝土Dense-Graded Aggregate 密级配粒料Density 密度Density of Traffic 交通密度；车流密度。
