"Same place as last time, just slower. I got excited last time and got too close. Now we're going to stay back and try to keep out of visual contact." Entaru waited for White to hop in and got the truck moving. They were moving at a decent click down the road. Entaru steered carefully around the cars, careful not to knick or scrape the truck. He didn't want to attract any attention.
To anyone outside the truck, it seemed to simply be a government vehicle carrying its crew. If someone were to hear the zombies in the back then the only thought that would pass a survivor's mind would be quarantine. The truck and it's occupants were simply seeking a refuge.
They would be right on the last part, but not for the same reason.