It is a police car base on USA pattern. I hope you will like it and support it on LEGO Ideas :)
Lego Ideas link: https://ideas.lego.com/projects/30b3cfe7-408f-4b37-a386-12df5b2e2a74
My other MOC models:
[MOC] Police Motorcycle #2
[MOC] Sport Bike Stop Motion Speed Build
[MOC] New York City Police (NYPD) Car
[MOC] Lego Mini Cooper
[MOC] Japan Tokyo Taxi vol.1 東京無線タクシー
[MOC] Ice Cream Truck
[MOC] LEGO California Highway Patrol
[MOC] LEGO Police Car
[MOC] Police Motorcycle
[MOC] New York City Taxi / Cab
[MOC] LEGO NYC News Stand
[MOC] New York City Transit Bus
[MOC] Newspaper Rack
[MOC] Coke/Beverage Cooler
Initial D AE86 Racer
AC Transit Bus
AC Transit Bus Short Version
Ice Cream Van