1
on the roadway
roadway 常指供车辆行驶的路面部分，与 sidewalk（人行道）相对。
The bus broke down on the roadway.
公共汽车在车行道上抛锚了。
道路；车行道
roadways — plural of roadway
先理解核心含义，再看它在真实句子里的用法。
道路；车行道
a road, especially the part of it used by vehicles
The bus broke down on the roadway.
公共汽车在车行道上抛锚了。
指车辆行驶的部分，区别于人行道；也可泛指道路
用作道路的通道。
A way used as a road.
道路(尤指道路中供车辆行驶的部分)
a road (especially that part of a road) over which vehicles travel
道路的主要或中央部分,供车辆使用。
The main or central portion of a road, used by the vehicles.
桥梁或铁路中供交通使用的部分。
The portion of a bridge or railway used by traffic.
The crew closed the roadway for repairs overnight.
工作人员夜间封闭了道路进行维修。
Pedestrians should use the sidewalk instead of walking on the roadway.
行人应使用人行道，而不是在车行道上行走。
The new roadway has three lanes in each direction.
这条新道路每个方向有三条车道。
roadway 常指供车辆行驶的路面部分，与 sidewalk（人行道）相对。
The bus broke down on the roadway.
公共汽车在车行道上抛锚了。
用被动语态强调对路面进行的施工或维护。
The roadway was resurfaced last week.
上周这条路面重新铺设了。
常用现在分词短语作后置定语，说明道路通向的地点。
The roadway leading to the ferry was blocked.
通往渡轮码头的道路被封锁了。
Not this
My house has a long roadway leading to the garage.
Use this
My house has a long driveway leading to the garage.
roadway 指车辆行驶的公共道路或路面，而 driveway 专指通往房屋或车库的私人车道。中文里两者都可能翻译成“车道”，但语义不同，所以此处应改为 driveway。
Not this
On the bridge, there is a special roadway for pedestrians.
Use this
On the bridge, there is a special walkway for pedestrians.
roadway 专指道路中供车辆行驶的部分，不包括人行道。人行道或步行通道应使用 walkway（或 sidewalk/pavement）。误用 roadway 会让句子变成“供车辆行驶的路面”，与行人矛盾。
Not this
The train is running on the roadway.
Use this
The train is running on the railway.
roadway 指公路或道路，而 railway（或 railroad）指铁路/铁轨。两者拼写相近但所指完全不同，该句谈论火车，必须用 railway。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
路面
The roadway surface was cracked and uneven.
路面开裂且不平坦。
驶入车行道
Always signal before you enter the roadway.
驶入车行道前务必打转向灯。
清理路面
Crews worked all night to clear the roadway.
工作人员连夜清理路面。
路况
Roadway conditions were wet and slippery after the rain.
雨后路况湿滑。
路面标线
The roadway markings were repainted last month.
上个月重新画了路面标线。
在车行道上
It is dangerous to stand on the roadway.
站在车行道上很危险。
发长 /eɪ/ 音 (如 day, play)
Use roadways naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：road（路）+ way（道）合成“路道”，即车辆行驶的道路。
语域：mixed 常见场景：traffic reports、road construction/engineering、legal documents、safety warnings roadway 多用于交通报道、道路工程、法律条文等较正式的场合；日常口语中通常更常说 road。该词没有绝对固定的语体，需根据具体语境选择更自然或更正式的表达。
这些词都以相同的 /weɪ/ 音结尾，与 roadway 的词尾押韵。注意 road 看起来像 roadway 的一部分，但读作 /roʊd/，以 /d/ 结尾，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.