交通專業(yè)術(shù)語(yǔ)

1、附錄中英文名詞對(duì)照公路highway道路road公路工程highwayengineering公路網(wǎng)highwaywk公路網(wǎng)密度highwaydensity公路等級(jí)highwayclassification公路自然區(qū)劃climaticzoningfhighway公路用地highwayrightofway高速公路freeway等級(jí)公路classifiedhighway輔道reliefroad干線公路arterialhighway支線公路fe

2、ederhighway專用公路accommodationhighway國(guó)家干線公路(國(guó)道)nationaltrunkhighway省級(jí)干線公路(國(guó)道)provincialtrunkhighway縣公路(縣道)countyroad鄉(xiāng)公路(鄉(xiāng)道)townshiproad輻射式公路radialhighway環(huán)形公路ringhighway繞行公路bypass交通結(jié)構(gòu)trafficstructure交通組成trafficcomposition混合

3、交通mixedtraffic交通流trafficflow交通流理論trafficflowthey車流vehiclestream交通密度trafficdensity車頭間距spaceheadway車頭時(shí)距timeheadway車間凈距vehiculargap延誤delay地點(diǎn)速度spotspeed行駛速度runningspeed運(yùn)行速度operatingspeed臨界速度criticalspeed平均速度averagespeed路肩sho

4、ulderverge路緣帶marginalstrip路緣石kerbcurb側(cè)向余寬lateralclearance路拱cambercrown路拱橫坡crownslope公路建筑限界clearanceofhighway公路路線highwayroute公路線形highwayalignmen平面線形hizontalalignment縱面線形verticalalignment線形要素alignmentelements平曲線hizontalcur

5、ve極限最小平曲線半徑limitedminimumradiusofhizontalcurve復(fù)曲線compoundcurve反向曲線reversecurve斷背曲線brokenbackcurve回頭曲線switchbackcurve緩和曲線transitioncurve豎曲線verticalcurve彎道加寬curvewidening加寬緩和段transitionzoneofcurve超高superelevation超高緩和段super

6、elevationrunoff縱坡longitudinalgradient最大縱坡maximumlongitudinalgradient最小縱坡minimumlongitudinalgradient變坡點(diǎn)gradechangepoint平均縱坡averagegradiant坡長(zhǎng)限制gradelengthlimitation高原縱坡拆減highlgradecompensation緩和坡段transitiongradingzone合成坡度r