5 sentences

1. 行人应该在人行道上行走。

   xíng​rén yīng​gāi zài rén​xíng​dào shàng xíng​zǒu.

   Pedestrians should walk on the sidewalk.

   Source: Dong Chinese Dictionary

2. 严禁在人行道上停放车辆。

   yán​jìn zài rén​xíng​dào shàng tíng​fàng chē​liàng.

   Parking vehicles on the sidewalk is strictly prohibited.

   Source: Dong Chinese Dictionary

3. 你在人行道上吗？

   nǐ zài rén​xíng​dào shàng ma?

   Are you on the sidewalk?

   Source: OpenSubtitles

4. 步行者必须在人行道上行走。

   bù​xíng​zhě bì​xū zài rén​xíng​dào shàng xíng​zǒu.

   Pedestrians must walk on the sidewalk.

   Source: Dong Chinese Dictionary

5. 机动车辆在人行道上行驶是违法的。

   jī​dòng chē​liàng zài rén​xíng​dào shàng xíng​shǐ shì wéi​fǎ de.

   It is illegal for motor vehicles to drive on the sidewalk.

   Source: Dong Chinese Dictionary