资源描述：
《ch3 ITE 2-1.ppt》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、CH3TRANSPORTATIONINFRASTRUCTURECHAPTEROUTLINEHighway3.1Railroad3.2Airport3.3HarborsandPorts3.4TrafficControlDevices3.5KEYTERMS:cul-de-sacs[尽端路]:adead-endstreetcustomhouse[海关]:abuildinghousingtheofficesforthegovernmentofficialswhoprocessedthepaperworkfortheimportandexportofgoodsintoandouto
2、facountry.TEU-Twenty-footEquivalentUnit[二十英尺标准箱]:bedefinedasavolumeequivalenttothatoccupiedbyoneISOtwenty-footcontainer.Acommonmeasureoffreightvolumeis2TEU,whichisthevolumeoccupiedbyoneISOforty-footcontainer.TCD-trafficcontroldevice[交通控制设施]:bedefinedasallsigns,signals,markings,andotherdev
3、icesusedtoregulate,warn,orguideroadusers,placedon,over,oradjacenttoastreet,highway,pedestrianfacility,orbikewaybyauthorityofapublicbodyorofficialhavingjurisdiction.SPECIALWORDS:sewer[下水道]multilane[多车道的]high-capacity[大容量的]progressively[日益增多地]two-lane[双车道]free-flow[自由流的]access[入口]egress[出口]
4、ramp[斜坡，坡道]medianstrip[隔离带]terrain[地形]volume-to-capacityratio[容量能力比]pc/mi/ln-passengercarspermileperlane[车辆密度单位：车辆数/每公里/每车道]curvature[弯曲，曲率]Intersection[交叉口]ASSHTO-AmericanAssociationofStateHighwayandTransportationOfficials[美国国家公路与运输协会标准]Roundabout[道路交叉处的环形路,迂回路线]safestoppingdistance[安全停车
5、距离]subgrade[路基]Ballast[道床]tie[枕木]railfastening[钢轨扣件]spike[道钉]railage[<英>铁路运输,铁路运费]controltower[控制塔]hangar[机棚]nonsked[不定期]tarmac[停机坪]Airfield[飞机场]Dock[码头，船坞]Dredge[n.挖泥机,挖泥船,捞网；v.挖掘,疏浚,捞取]Jetty[防波堤，码头]Breakwater[防浪堤,挡浪板,挡水板]Pier[码头,(桥)墩]Lighthouse[灯塔]Lightship[灯塔船]Buoy[浮标，浮筒]first-come,fir
6、st-served[先到先服务]Trafficmarking[交通标线]Trafficsign[交通标志]Trafficsignal[交通信号]3.1HIGHWAYHighwaytransportationisthedominantmodeinpassengertravelandoneoftheprincipalfreightmodes.Ahighwaysystemrangesfromhigh-capacity,multilanefreewaystourbanstreetstounpavedruralroads.3.1.1HighwaySystemAhighwaysyst
7、emincludestheintercityroutes,anetworkofroads,whichareclassifiedasruralorurbanandasarterialsorcollectors.Urbanroadsarelocatedincities,andtheyserveareasofhigh-densitylanddevelopment.Ruralroadsarclocatedoutsideofcitiesandserveaslinksbetweenpopulationcenters.Arterialroa
