Question: In a city aiming to optimize traffic flow, engineers are implementing a traffic signal synchronization system. What technology is commonly used to coordinate traffic signals

In a city aiming to optimize traffic flow, engineers are implementing a traffic signal synchronization system. What technology is commonly used to coordinate traffic signals and improve overall traffic efficiency?

(a) Radio frequency identification (RFID)

(b) Global Positioning System (GPS)

(c) Bluetooth technology

(d) Closed-circuit television (CCTV)

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