|
gptkbp:instanceOf
|
gptkb:Traffic_control_device
|
|
gptkbp:alsoKnownAs
|
gptkb:Traffic_light
gptkb:Stoplight
Traffic lamp
|
|
gptkbp:canBe
|
Automatically operated
Manually operated
|
|
gptkbp:color
|
Green
Red
Yellow
|
|
gptkbp:component
|
gptkb:Pole
Controller
Sensors
Timers
Wiring
Signal head
|
|
gptkbp:deployment
|
gptkb:London
|
|
gptkbp:function
|
Control flow of traffic
|
|
gptkbp:hasVariant
|
Arrow signal
Bicycle signal
Countdown timer
Flashing signal
Pedestrian signal
Railway signal
|
|
gptkbp:indication
|
Green means go
Red means stop
Yellow means caution
|
|
gptkbp:inventedBy
|
gptkb:J.P._Knight
|
|
gptkbp:location
|
Pedestrian crossings
Intersections
Railroad crossings
|
|
gptkbp:maintenance
|
gptkb:local_government
|
|
gptkbp:provides
|
gptkb:Electricity
|
|
gptkbp:regulates
|
Bicycles
Vehicles
Traffic laws
Pedestrians
|
|
gptkbp:standardizedBy
|
gptkb:Vienna_Convention_on_Road_Signs_and_Signals
|
|
gptkbp:subjectOf
|
Road safety
Traffic engineering
|
|
gptkbp:technology
|
gptkb:LED
Incandescent bulb
|
|
gptkbp:usedIn
|
Urban areas
Rural areas
Highways
Construction zones
School zones
|
|
gptkbp:uses
|
Colored lights
|
|
gptkbp:yearInstalled
|
1868
|
|
gptkbp:bfsParent
|
gptkb:Stoplight
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Traffic signal
|