Police departments across the country have been challenging one another to lip sync battles and as transit police departments have joined in, so have transit operations staff.
Highlighting a close connection with the community or a department's high-tech equipment to being a great place to work, the creativity of the videos rack up the views, sometimes going viral into the millions.
We've compiled a list of ones we've seen and have been sent below. If your agency or department has one and it's not on the list, send a link to [email protected].