Semafor
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.

Referințe

Legături externe

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 
 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

Aparate electrice
Dispozitive optice
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 pedecembrie în Londra , lângă clădirea Parlamentului Britanic . Referințe Legături externe 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 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 , digitized NYPD photograph from the Lloyd Sealy Library Digital Collections Aparate electrice Dispozitive optice