Why does crossing railroad tracks at night require extra caution for a passenger vehicle driver?

Pick an answer

1. Trains are not permitted to run through most crossings after dark
2. Passengers are less likely to notice a stop at night, so caution doesn't matter as much
3. Crossing signals are turned off overnight in most areas
4. A train's distance and speed are harder to judge in the dark than in daylight

Correct!

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