Semafor
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3c/Red_and_green_traffic_signals%2C_Stamford_Road%2C_Singapore_-_20111210.jpg/220px-Red_and_green_traffic_signals%2C_Stamford_Road%2C_Singapore_-_20111210.jpg)
Semaforul (din fr. sémaphore) este un dispozitiv de semnalizare optică, ce indică diferite semnale referitoare la circulația rutieră, feroviară, maritimă etc.
Primele semafoare au fost instalate pe 10 decembrie 1868, în Londra, lângă clădirea Parlamentului Britanic.[1]
Referințe
- ^ Anticiperende netwerkregelingen. (PDF)
Legături externe
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Wikimedia Commons conține materiale multimedia legate de Semafor
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Caută „semafor” în Wikționar, dicționarul liber.
- Semafor la dexonline
- FHWA Arterial Management Website, latest information on traffic signal operations
- Traffic Lights by Ed Pegg, Jr., Wolfram Demonstrations Project: demonstrates that there are "seven distinct light cycles that will prevent collisions."
- Animations of various US signal phasings Arhivat în , la Wayback Machine.
- Micro Controller based Traffic Light Controller.
- SCATS – Sydney Coordinated Adaptive Traffic System
- InSync: The #1 Self-Optimizing Traffic Signal System. Pioneer in Artificial Intelligence and Robotics for Traffic Signal Optimization
- Safety Evaluation of Converting Traffic Signals from Incandescent to Light-emitting Diodes: Summary Report Federal Highway Administration
- Safety Evaluation of Discontinuing Late-night Flash Operations at Signalized Intersections: Summary Report Federal Highway Administration
- Traffic signals, 1922, digitized NYPD photograph from the Lloyd Sealy Library Digital Collections
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