CV stands for what?

• A. Control Valve
• B. CBTC Stop Drive Control
• C. Central Vehicle
• D. Coordinated Vision

Answer: (B)

In CBTC systems, CV refers to the function that handles movement commands—specifically the Stop/Drive Control. This part of the control architecture interprets the commands from the CBTC system and translates them into braking and acceleration actions, determining when a train should stop or proceed while maintaining safe distances and speed limits. It coordinates with trackside detections and onboard sensors to enforce safe movement, ensuring trains halt at the correct locations and accelerate only when allowed. The other options describe components or terms not used for movement control in CBTC, so the Stop/Drive Control within CBTC is the correct interpretation of CV.