3 sentences

1. 这里限速多少？

   zhè​lǐ xiàn​sù duō​shao?

   What's the speed limit here?

   Source: OpenSubtitles

2. 这里的限速是每小时六十公里。

   zhè​lǐ de xiàn​sù shì měi xiǎo​shí liù​shí gōng​lǐ.

   The speed limit here is sixty kilometers per hour.

   Source: Dong Chinese Dictionary

3. 在高速公路上开车时，一定要随时注意路边的限速标志。

   zài gāo​sù​gōng​lù shàng kāi​chē shí, yī​dìng yào suí​shí zhù​yì lù​biān de xiàn​sù biāo​zhì.

   When driving on the highway, be sure to pay attention to the speed limit signs at all times.

   Source: Dong Chinese Dictionary