《史记·七十列传·滑稽列传》
想要合并渠水，并且把流经御道的那段，三条渠水合为一条，只架一桥。
欲合渠水，且至驰道合三渠为一桥。
They wanted to merge the canal water, and combine the three channels that flowed through the Imperial Road into one, and only build one bridge.