Where would this announcement be heard?

Attention passengers. If you need ground transportation, look for the different colored signs as you exit the baggage claim area Follow the blue signs for rental cars and hotel shuttles. Follow the red signs for access to public transportation, including the subway, city buses, and airport shuttles to other terminals. Fare and schedule information for public transportation is available just as you exit the terminal building. If you have left your car in an airport parking lot, follow the green signs for a shuttle to the east parking lot, or the orange signs for a shuttle to the west parking lot.