• The United Kingdom is experimenting with bicycle repeaters
• Experimentation with pedestrian counters and mixed pedestrian / bicycle lights in Strasbourg
• The city of Paris is launching a vast renovation program for 1,500 too old traffic lights.
• Installation of the crossing authorization light for R19 cycles
• Installation of the first red light crossing radar in Lyon
• Removal of the last electromechanical controller in Paris installed in 1966 at Place d'Iéna, and the last controller with static electronics installed in 1974 at Place de l'Ecole Militaire
• Deployment of optical fiber in the tunnels of the Paris metro for the transmission of data from the central control station Lutèce
• Reims is the first French city to be equipped with sound devices for the visually impaired
• London is experimenting with priority buses at intersections (Drive II program)
• Publication of the 6th part of the Interministerial Instruction on Road Signs (IISR) relating to traffic lights
• Commissioning of the new central regulation post for the city of Paris: PC Lutèce
• Development of the DIAlogue Standard for Traffic Control Equipment (DIASER)
• The EDF / Générale des Eaux (GECIR) consortium takes over from EDF-lighting for the maintenance of the SLT in the city of Paris.
• Establishment of priority buses in Metz
• Light-emitting diodes (LED) are emerging as a replacement for incandescent light sources in traffic lights.
• Experimentation with the priority of buses at 18 intersections in Paris
• Experimentation of the specific pedestrian crossing (PPS) in Toulouse
• Commissioning of the first central regulation post in Paris, regrouping 106 crossroads
• The city of Paris launches the first call for tenders in history for the supply of controllers exclusively with microprocessor
• Introduction of pictogram pedestrian lights and elimination of those with inscriptions in French regulations. Establishment of effect line and channel assignment signal.
• Development of the first electronic intersection controller by EVR
• Commissioning of the electronic management of the regulation of urban road traffic defying traffic jams (GERTRUDE) in Bordeaux
• Commissioning of the central regulation station in Nice and Toulouse by EVR
• Installation of the central London regulation post by Siemens connecting 300 traffic lights
• Paris has 850 crossroads controllers
• In France, less than 1000 traffic light intersections are installed outside the city.
• Commissioning of the central regulation station in Besançon (20 crossroads)
• Experimentation with a pedestrian waiting time counter in Paris
MORE...
• The circular of July 11, 1938 fixes the characteristics of traffic lights in France
• First pedestrian light installed in Copenhagen
• Installation of a signal clock in Annecy
• Signature of the unifying convention on road signs in Geneva introducing the three-color light
This chronology brings together all the events marking traffic light signals and has been the subject of in-depth research.
However, it is possible that some years are approximate or even contradictory with other sources given the scarcity of historical sources, but everything has been done to relate events as accurate as possible.
CHRONOLOGY
• Installation of traffic regulation controlled by the vehicles themselves on Place de l'Etoile in Paris with 55 detection pedals.
• First traffic light in Angers and St Nazaire
• First ringing traffic lights in Marseille on the Cannebière. The deputy mayor publishes an article in the newspaper "Le Sémaphore" of April 28 in order to inform the people of Marseille
• First device for pedestrians in Paris, at the Pont des Arts in the form of a push button
• In Paris (11 equipped intersections), and in London, installation of the first three-color traffic lights, following the Geneva Convention of 1931.
• First traffic light in Cambridge at the Castle street / Northampton street intersection
• First traffic light in Bedford (central UK)
• First traffic light in Glasgow, Scotland
• Installation of the first traffic light in Brisbane, Australia, May 25
• Replacement of the last ringing light in Paris with a traffic light
• First fire in Ashville (United States), it was deposited in 1981 and has since been kept at the city museum
It is composed of a cylinder with red and green filters which turns on itself and of a
needle on each optic which indicates the time left before the change of state.
• First traffic light in Amsterdam
• First Parisian crossroads equipped with a regulation system by the vehicles themselves using detection pedals (Electro-Matic system). The yellow transition color replaces the ringtone.
• Installation of the "Chinese lantern" in Geneva
• Publication of the manual for the standardization of American traffic control equipment which establishes the three-color light throughout the country.
• Several towers designed by Joseph H. Freedlander which incorporate a traffic light at their top are
located in the center of Fifth Avenue in New York. A police officer placed at their base is responsible for their
functioning.
• First traffic light in Edinburgh
• James Loge, boss of the American Traffic Signal Company takes up this idea and installs a two-tone multi-sided traffic light in Cleveland
• Installation of the first electromechanical controller in Paris to automatically chain the traffic light cycles of the Boulevard de Strasbourg and Grands Boulevards crossroads
• The American Garett Morgan patents a T-shaped traffic light system which he will sell to General Electric for $ 40,000.
• In Paris, the intersection of Boulevard de Strasbourg and Grands Boulevards is the first to benefit from single-color traffic lights manually controlled by police officers. A buzzer sounds when a change in the status of the lights is announced.
• American police officer William Potts installs the first three-color, four-sided fire in Detroit
An original copy is on display at the Henry Ford Museum in Detroit.
• A tower derived from the New York model of J. Freedlander (see 1922) is installed in the center of Potsdamer Platz in Berlin by Siemens, and regulated the circulation of the 5 lanes of the square.
• First traffic light in Italy
• The Americans install the first electric two-tone light in history in Salt Lake City. It's an invention of Lester Wire, the town police officer. It is yellow and composed of red and green lenses inspired by the colors used in navy and in railways.
• In Paris, test of the signal kiosk developed by Edmond Goupil in 1896
• It all starts here. Our English neighbors are the first in the world to install a signaling system to regulate the movement of riders and carts.
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