3 sentences for 通车 (tōng​chē — open to traffic)

1. 京沪高铁现已实现全线通车。

   Jīng Hù gāo​tiě xiàn yǐ shí​xiàn quán​xiàn tōng​chē.

   The Beijing-Shanghai High-Speed Railway is now fully operational along its entire line.

   Source: Dong Chinese Dictionary

2. 这条新修建的高速公路明天正式通车。

   zhè tiáo xīn xiū​jiàn de gāo​sù gōng​lù míng​tiān zhèng​shì tōng​chē.

   This newly built highway will officially open to traffic tomorrow.

   Source: Dong Chinese Dictionary

3. 京石高速公路的通车极大促进了沿线经济发展。

   Jīng Shí gāo​sù gōng​lù de tōng​chē jí dà cù​jìn le yán​xiàn jīng​jì fā​zhǎn.

   The opening of the Beijing-Shijiazhuang Expressway has greatly promoted economic development along the route.

   Source: Dong Chinese Dictionary