2 sentences

1. 因为塞车，他上班迟到了。

   yīn​wèi sāi​chē, tā shàng​bān chí​dào le.

   He was late for work because of a traffic jam.

   Source: Dong Chinese Dictionary

2. 星期六不太塞车。

   Xīng​qī​liù bù tài sāi​chē.

   There's not much traffic on Saturdays.

   Source: OpenSubtitles