I walked past her, ignoring her stuttering, and pointed to the small, specialized tag and the unique alphanumeric code on my license plate. I then pointed to the subtle, high-tech decal on the rear windshield.

“Bet you didn’t get what that mark means, did you?” I chuckled. “That ‘mark’ indicates this is a certified medical emergency transport vehicle. Inside that trunk is a mobile refrigeration unit containing a $25,000 specialized donor graft for a surgery I have scheduled in exactly forty-five minutes.”