Assertion: pedestrian | /r/CapableOf | push button
Facets:
value: in order to assert his intention
type: PURPOSE
value: in order to get a green man
type: PURPOSE
value: outside these times
type: TEMPORAL
value: to activate a traffic light
type: PURPOSE
Source sentences:
text: Pedestrian-controlled lights (i.e. on an otherwise straight section of road, pedestrians can push a button to activate a traffic light which allows them to cross)
text: At the first type, such as the busy Oxford Circus junction in central London where two main roads intersect, it is always necessary for a pedestrian to press the button in order to get a green man.
text: Outside these times, pedestrians must press a button, but only if that particular leg of the intersection does not have a concurrent pedestrian phase.
text: After determining the geometry of the intersection, aligning to face towards the destination curb, determining that the intersection is signalized, and having pushed a button (where necessary), pedestrians who are blind must recognize the onset of the walk interval.
text: Some countries have "intelligent" pedestrian signals, where the pedestrian must push a button in order to assert his intention to cross.
text: And car traffic essentially wouldn’t stop unless a pedestrian pushed a button.
text: Others have “intelligent” signals, where pedestrians can push a button, which results in the traffic signal will schedule a stop in order to allow pedestrians to cross.
text: There are some studies that show that pedestrians only push buttons 50 percent of the time,” says Geraci.
text: If a pedestrian presses the button but then walks off, the PKD will cancel the request making the lights more efficient.