Why should a driver open the window and turn off any noisy equipment, such as the radio or fan, while stopped at a railroad crossing?

Pick an answer

1. It helps the driver hear an approaching train's horn or warning bells more clearly
2. Turning off equipment is required only at crossings without any visible warning signals
3. This step is purely a formality with no bearing on detecting an approaching train
4. Opening the window is done only to allow fresh air in, unrelated to safety

Correct!

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