Traffic Lights Flashcards Preview

Portugese Driving License > Traffic Lights > Flashcards

Flashcards in Traffic Lights Deck (8):
1

What order should traffic lights be presented?

Vertically, red to green
OR
Horizontally starting right, red to green

2

When does the yellow light appear in traffic lights?

Only when the green light is being switched to the red light as sign that cars should stop unless very close to the traffic lights already. Never when the light is going from red to green.

3

What does a flashing red light (1 or 2) signal?

It signifies the obligation to stop

4

When can a flashing red light (1 or 2) be used?

1 On level crossings
2 Entry of mobile bridges or docks
3 Passages for the fire brigade or ambulances
4 Areas with planes flying at low altitude

5

What does a flashing red light (1 or 2) with a flashing white light signal?

When the red light is on it signifies an obligation to stop

When the white light is on it signifies an authorization to move

6

What does a flashing red light with a flashing yellow light signal?

When the red light is on it signifies an obligation to stop

When the yellow light is on it signifies and authorization to move but PRUDENTLY

7

What does a flashing yellow light (1 or 2) signal?

It signifies that driver should drive prudently

8

What are traffic lights with bars for?

they are special signals for passenger vehicles