| 34 40 00 |
Transportation Signaling and Control Equipment
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| Includes | signaling and control equipment used to monitor, direct, and control traffic, safety, and environmental conditions in transportation systems. |
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Transportation Signaling and Control Equipment |
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Roadway Signaling and Control Equipment |
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Railway Signaling and Control Equipment |
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Airfield Signaling and Control Equipment |
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Bridge Signaling and Control Equipment |