In 1998, the government produced a plan for a riverside expressway to Tanshui. The road, which was expected to have three levels, would have cut through rare mangroves and created a barrier between the river and the town of Tanshui.
民國八十七年，政府計劃開闢淡水環河快速道路，沿著河岸開的環快，預估有三層樓高，穿過紅樹林，也隔開淡水河和淡水。