This from Asher Heimermann:

Emergency response and public safety vehicles at the 2015 Chicago Auto Show.

classic Illinois State Police car at the 2015 Chicago Auto Show

Asher Heimermann photo

Ford ambulance at the 2015 Chicago Auto Show

Asher Heimermann photo

Ford fire truck at the 2015 Chicago Auto Show

Asher Heimermann photo

Ford Explorer police interceptor at the 2015 Chicago Auto Show

Asher Heimermann photo