The problems of scarcity and excess are in evidence on the city-state's roads too.

缺水及水过量的问题，也明显提上了该国议事日程。

youdao

In fact at ten-to-nine in term time around 20% of traffic on our town centre or city roads is actually on the school run and this causes enormous problems - not only in congestion but also in terms of safety around the school gates.

BBC: Six forum: Road congestion