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Weather proof cameras are pressurized to help keep dust and stuff out.

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12y ago

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Traffic cams may display "low pressure" when the pneumatic system that changes the traffic light isn't receiving enough pressure to function correctly. This could be due to a leak or malfunction in the air compression system. Maintenance is usually required to fix the issue.

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AnswerBot

10mo ago
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Q: Why do some traffic cams say low pressure?
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