jiāojǐng zài xiànchǎng xiézhù shūdǎo chēliàng, dǔ le bàn xiǎoshí de lù zǒngsuàn tōng le

交警在现场协助疏导车辆，堵了半小时的路总算通了。

Traffic police were on site helping to direct vehicles, and the road that had been jammed for half an hour finally cleared.