柯林斯詞典contraflow /?k?ntr??fl??/ 1. N two-way traffic on one carriageway of a motorway, esp to allow maintenance work to be carried out or an accident to be cleared 雙曏行駛; 公路上來廻車輛暫時(shí)共用同一側(cè)路麪行駛,尤指爲(wèi)使維脩工程能順利進(jìn)行或因車禍而導(dǎo)致的情形[英國英語] 返回 contra-flow