They are often not where you'd expect, and missing one can cost you in traffic fines or car damage.
On the first floor traffic fines were paid, traffic court dates arranged.
Easing past clusters of people waiting in lines to pay traffic fines, she headed for the information desk.
By 2003, the city was raising nearly half of its $1.7 million annual budget through traffic fines.
The town was forced to repay approximately US$4,300 in traffic fines.
"Eventually, you'll see more online billing to pay traffic fines, even property taxes," he said.
The possibility of a traffic fine of $35 or more loomed before him, the journalist wrote.
Local law requires that traffic fines be paid within 12 hours.
Residents were not taxed, as the town always had a healthy surplus of funds from traffic fines.
When he asked about the second one, the agent said, with a giggle, "for traffic fines."