The red car will drive through the intersection:

Explanation

Second, at the same time as the blue car.

No priority sign is posted at this junction; the roads are of equal status and the order of passage is determined by the right-hand rule. The green car comes from the road that lies to the right of both the blue minibus and the red car, so it passes first. Then it is the turn of blue and red, and the yellow car is left last, because blue and red enter the junction from its right.

Red and blue come from one road and in one direction: blue turns left from the left-hand lane with its indicator on, and red continues its path from the adjacent lane. Their paths do not cross, so they pass through the junction simultaneously and neither needs to stay behind the other. That is why the correct answer is "second, at the same time as the blue car".

The safety reason for this way of looking at it matters: a junction is a place that must be cleared as fast as possible. If drivers queue up behind one another for no reason, the following cars get stuck inside the junction and the crossing road is blocked. Remember that the size of a vehicle — minibus, bus or lorry — creates no priority; you must simply respect their longer braking distance and poorer visibility.

• "Second, after the yellow car" reverses the order; the yellow car must give way to red and blue coming from its right and is last. • "Third, after green and yellow" assumes the yellow car passes before red; under the right-hand rule that is impossible.

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