It is really snail-paced traffic.

这真是慢得像蜗牛。

youdao

In the process, he has run up against the Senate's snail-paced legislative process.

CNN: A novice senator finds a new cause to fight for

The city has launched a regulated bus rapid-transit system and has begun work to develop a reliable and affordable urban rail system as part of efforts to sort out its legendary snail-paced traffic.

CNN: Lagos of the future: Megacity's ambitious plans

Meanwhile, Spain continues its snail-paced recovery.

ECONOMIST: Spanish politics