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accessibility可达性accidentrate事故率approach进口arterial主干线Automatedtollcollection自动收费averageannualdailytraffic，AADT年平均日交通量averageannualweekdaytraffic，AAWT年平均工作日交通量Bottleneck瓶颈路段calibration标定Capacity通行能力Centerlines中心线commute通勤controldelay控制延误cordoncount境界线交通量调查criticaldensity临界密度criticalspeed临界速度cross-section横断面Crosswalkmarkings人行横道线curb路缘石curbparking路边停车Cycletime周期时间dailytraffic日交通量decisionsightdistance决策视距delay延误Delineator反光路标Density密度designHourlyVolume,DHV设计小时交通量destination讫点directionaldesignhourvolume,DDHV有方向性的设计小时交通量diverging分流downgrade下坡driveway私人车道DUI(drivingundertheinfluence)饮酒驾驶DWI(drivingwhileintoxicated)醉酒驾驶Entranceramp驶入匝道equivalent当量Fatalityrate死亡率FFS:free-flowspeed自由流速度fieldofvision视野Flashingbeacon闪光路标floatingcar流动车forcedflow强制流Freeway高速公路fullcontrolofaccess全控制出入Functionaldesign功能设计FVS:fractionofvehiclesstopping停驶车辆比例gap车辆时距geometricdesign几何设计grade纵坡度Guidesigns指示标志headway车头时距HighOccupancyVehicle(HOV)Lane高乘载率车道Highway公路horizontalalignment平面线形horizontalcurve平曲线hourlyvolume小时交通量Inductiveloopdetector感应线圈IntelligentTransportationSystem智能运输系统interchange互通式立体交叉Intergreen绿灯间隔Interruptedflow间断流Intersection平面交叉口jamdensity阻塞密度landuse土地利用Lane车道lanegroup车道组Lanelines车道线Level-of-Service:LOS服务水平Link线路localtraffic境内交通Longitudinalmarkings纵向标线marking标线median中央隔离带mergearea合流区merging合流mobility通畅性Modechoice方式选择Modesplit方式划分motorvehicle机动车motorcycle摩托车multilanehighway多车道公路Node节点Objectmarkers物标occupancy（车道）占有率或（车辆）满载率offset相位差off-streetgarage路外停车库off-streetlot路外停车场One-waystreet单行道On-Ramp入口匝道on-streetlot路边停车位origin起点overheadclearance净空高度parallelparking平行停车paratransit辅助公交parkingaccumulation累积停车数parkingduration停车时间parkinglot停车位parkingturnoverrate,TR停车周转率passengercar小客车passingsightdistance超车视距pavement路面Pavementedgelines路面边缘线PDO：propertydamageonly只有财损peakhour高峰小时peakhourvolume，PHV高峰小时交通量peakerhourfactor(PHF)高峰小时系数Pedestrian行人pedestriancrossing人行横道perception-reactiontime[PRT]知觉反应时间phase相位platoonofvehicle车队publictransit城市公交系统public Transportation公共交通系统Queue排队Queueingtheory排队论ramp匝道Ramp匝道rateofflow，flowrate流率redphase红灯相位Regulatorysigns管制标志reversiblelane可逆车道，潮汐车道Right-of-way路权Roadalignment道路线形Route路径runningtime行驶时间samplingtechnique点样本法Saturation饱和Saturationflowrate饱和流率screen-linecount核查线交通量调查section路段shouler路肩sightdistance视距Sign标志signal信号SignalTiming信号配时SignalizedIntersections信号交叉口Simulation仿真spacemeanspeed（SMS）区间平均速度spacing车头间距spotspeed点速度Stableflow稳定流Stage相位stall车位Stoplines停车线stopped-timedelay停车延误stoppingsightdistance停车视距Structuraldesign结构设计superelevation超高testcar测试车Thefourstepprocess四阶段法throughfacility通过性设施throughtraffic过境交通timemeanspeed（TMS）时间平均速度tollplaza收费广场trafficaccident交通事故Trafficassignment交通分配trafficconflict交通冲突trafficcongestion交通拥堵trafficcontrol交通控制trafficdemand交通需求trafficenforcement交通执法Trafficengineering交通工程学trafficfacility交通设施Trafficplanning交通规划trafficstream交通流trafficstudy交通调查trafficvolume,traffic,volume交通量Transportationengineering交通运输工程学Transversemarkings横向标线Travelanalysiszones出行分析小区travelspeed行程速度Traveltime行程时间Traveltimereliability行程时间可靠性Traveledway车行道travel-timedelay行程时间延误Trip出行Tripdistribution出行分布Tripattracttion出行吸引Tripgeneration出行生成Tripproduction出行产生trippurpose出行目的turningroadway转弯车道two-lanehighway双车道公路uninterruptedflow连续流UnsignalzedIntersections无信号交叉口Unstableflow不稳定流upgrade上坡VehicleOccupancy车辆满载率vehicle-milestraveled,VMT车辆里程数verticalalignment纵向线形verticalcurve竖曲线VMT：vehicle-milestraveled车辆里程数Warningsigns警告标志weaving交织YIELDsign让行标志Zonecentroid小区重心