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Choose the controlling rule before you act

حدود 7 دقیقه

پرسش‌ها به همان زبانی می‌مانند که منتشر شده‌اند.

Signals, overtaking, lighting and railway crossings often place several warnings in one situation. Identify the controlling device or manoeuvre first, then decide whether it warns, grants priority or imposes a prohibition.

Classify first, then apply the rule

Start with four checks: What signal is actually operating? Is the vehicle changing direction or position? Is the location itself protected? Is a more direct stop command present? This prevents a conspicuous beacon, an indicator or a slow vehicle from distracting you from the rule that controls the situation.

SituationDecision rule
Special vehiclesA blue beacon claims priority only together with the special audible warning. Blue and red with that sound also requires slowing and yielding to the protected group. A stationary red flashing beacon means stop until permission is given. Amber or yellow warns of a hazard but gives no priority; moon-white equipment is an alarm, not a traffic advantage.
Direction warningsSignal before starting, leaving the roadside, changing lanes, turning or stopping. Give useful advance notice without misleading anyone. A hand warning ends immediately before the movement; an electric indicator ends when its announced movement is complete. A signal communicates intention and never creates priority.
OvertakingBefore entering an opposing lane, verify both a clear distance for the entire pass and that nobody has already begun passing you. Location prohibitions still control: do not overtake at an intersection, pedestrian crossing, railway crossing or within the final 100 metres before the rails. A low speed does not cancel those bans.
Lighting and emergenciesAt night or in insufficient visibility, use dipped or main headlamps as conditions permit and dip main beam by 150 metres from an oncoming vehicle. Rear fog lamps are for insufficient visibility, not darkness alone. After an emergency stop, place the warning triangle at least 15 metres away in a built-up area and 30 metres away outside one.

At a railway crossing, combine every source of control: the attendant, lights, barrier, signs and markings. A direct stop command is not cancelled by an apparently open route or by seeing no train. Enter only at a designated crossing and only when there is room to clear the tracks completely. If forced to stop on the rails, the general alarm repeats one long horn blast followed by three short blasts.

For direction signals, distinguish the road from the vehicle. Following a bend while remaining in the same lane is not a turn. By contrast, a real turn or lateral shift still needs a signal even when a sign makes that direction compulsory, when the manoeuvre happens in a car park, or when no other road user is visible.

Official-exam nuance

On the official exam, the accepted answer for the situation that asks what the overtaking vehicle must do is that it must not obstruct the one overtaking by increasing speed or taking another hindering action. In the general rule, that duty belongs to the driver being overtaken.

Common mistakes

Try it yourself

سؤال 891

At what distance from the vehicle set the sign "Emergency stop"?

  1. In populated areas - not less than 15 m, outside populated areas - 30 m.
  2. In populated areas - at least 10 m, outside populated areas - 20 m.
  3. In settlements - at least 5 m, outside settlements - 10 m.
سؤال 929

In which case is it allowed to overtake the oncoming lanes on roads with one lane in each direction?

  1. Only when the oncoming zone free with sufficient distance?
  2. Only when you do not overtake
  3. Both conditions are required to be ensured.
سؤال 955

Are you required to give way to the driver coming out of the adjacent area who turned on the special sound and light signals?

Official question image. Visual interpretation is required to answer.
  1. Not required.
  2. Required.
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Choose the controlling rule before you act · Questena