6 sentences

1. 交警正在路口指挥交通。

   jiāo​jǐng zhèng​zài lù​kǒu zhǐ​huī jiāo​tōng.

   Traffic police are directing traffic at the intersection.

   Source: Dong Chinese Dictionary

2. 交警正在十字路口指挥交通。

   jiāo​jǐng zhèng​zài shí​zì lù​kǒu zhǐ​huī jiāo​tōng.

   The traffic police are directing traffic at the intersection.

   Source: Dong Chinese Dictionary

3. 交警正在路口疏导拥挤的交通。

   jiāo​jǐng zhèng​zài lù​kǒu shū​dǎo yōng​jǐ de jiāo​tōng.

   The traffic police are directing the congested traffic at the intersection.

   Source: Dong Chinese Dictionary

4. 交警正在核实事故车辆的车主信息。

   jiāo​jǐng zhèng​zài hé​shí shì​gù chē​liàng de chē​zhǔ xìn​xī.

   The traffic police are verifying the owner information of the vehicle involved in the accident.

   Source: Dong Chinese Dictionary

5. 交警向前方车辆做了一个靠边停车的手势。

   jiāo​jǐng xiàng qián​fāng chē​liàng zuò le yī gè kào​biān tíng​chē de shǒu shì.

   The traffic police gestured for the vehicle ahead to pull over.

   Source: Dong Chinese Dictionary

6. 他在高速公路上超速行驶，结果被交警拦下了。

   tā zài gāo​sù gōng​lù shàng chāo​sù xíng​shǐ, jié​guǒ bèi jiāo​jǐng lán​xià le.

   He was speeding on the highway and was stopped by the traffic police.

   Source: Dong Chinese Dictionary