The IMS Safety Patrol, known in modern Indy 500 era as beloved "yellow shirts," began more than a century ago as guards with ...

The outfit is simple: a yellow shirt, black pants, and either a tan, gold, or white hat. That’s the uniform of Indianapolis Motor Speedway’s Safety Patrol. Informally known as “Yellow Shirts,” these ...

is the button-up yellow shirt provided by the track, black pants, comfortable shoes and a rain jacket, if necessary. "Patrol members may layer under the jacket, but the top layer must be yellow so ...