It's on the way. Let me do it. What does this expression mean?

Novices will be unfamiliar when they start driving on the road, so they will put up signs and beg for permission on the first day.

A novice driver must put an internship sign on the back of the car when driving on the road. Failing to pick and hang the unified practice sign within one year after the car, a fine of more than 20 yuan and less than 200 yuan shall be imposed.