slow

at a crawl
The traffic was moving at a slow crawl.

be down to
Westbound traffic was down to a crawl.

slow down to, slow to

quickly, slowly
about (esp. BrE), along, around, away, back, forward, round (esp. BrE), through
We spent an hour crawling around on our hands and knees looking for the key.

manage to
As night fell, we managed to crawl back to our lines.

start to
Has the baby started to crawl yet?

across, along, into, off, out of, over, under, up
There's an insect crawling up your leg!

crawl on (your) hands and knees

Crawl is used with these nouns as the subject:
baby, flesh, fly, insect, ivy, skin, spider, wasp, worm

Crawl is used with these nouns as the object:
site