V2EX road diet

Road Diet

释义 Definition

“road diet” 指一种道路“瘦身/减量”改造:通过减少机动车道数量或车道宽度,把空间重新分配给自行车道、公交专用道、路侧停车、中央左转车道、行人安全岛等,以降低车速、减少事故、提升步行与骑行安全并改善街道环境。(也常译作“道路瘦身”“道路减量化”。)

发音 Pronunciation (IPA)

/rod dat/

例句 Examples

The city is planning a road diet to add bike lanes.
这座城市正计划进行道路瘦身改造,以增加自行车道。

After the road diet, traffic still moved smoothly, but crossings felt safer for pedestrians and the street became more pleasant for local shops.
道路瘦身改造后,车流依然顺畅,但行人过街更安全,沿街商铺的环境也更宜人。

词源 Etymology

该词是现代城市交通与街道设计领域的比喻性说法:diet 原意为“饮食控制/节食”,引申为“减少、瘦身”;road diet 形象地表示让道路“减量”,把原本过度分配给汽车的空间“瘦下来”,再分给其他交通方式与公共空间。该术语在北美交通工程与“Complete Streets(完整街道)”实践中广泛使用。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Road Diet Informational Guide(U.S. Federal Highway Administration, FHWA)
  • Walkable City: How Downtown Can Save America, One Step at a Time(Jeff Speck)
  • Streetfight: Handbook for an Urban Revolution(Janette Sadik-Khan & Seth Solomonow)
  • The Death and Life of Great American Cities(Jane Jacobs;书中常讨论街道功能与安全理念,现代讨论中常与“road diet”并置引用)
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