Person of Interest
Bob Sowoski's Food Truck
Adam Saunders goes to talk to his foster father at his food truck in episode 1x16 “Risk”.
Source: Person of Interest — Wikia
Following past School Busses
Reese talks to Finch on the phone while following Riley Cavanaugh around a corner in episode 2x04 “Triggerman”.
Taco Truck
Carter leaves her partner Laskey at a taco truck and heads off to help the team in episode 3x05 “Pазговоp”.
Source: Person of Interest — Wikia