Speeding Tickets?

The police were stopping people in my town yesterday. It was about
11:00 on a Sunday night. There were two police cars, on different
streets. The police simply parked in a spot on the street, and turned
on the lights to stop people. It looked like they were stopping
anybody going faster than 25, but maybe they were on the lookout for
something specific.

If they were simply issuing speeding tickets, then this makes me happy
because I am usually a pedestrian.