On which road does the driver have to keep a strict minimum distance from the preceding vehicle?
Show the correct answer
Correct answer
A. On the expressway.
Explanation
The question is about the road on which a driver must keep a strictly defined minimum following distance from the vehicle in front. This is an expressway - answer A.
The Road Traffic Act states that a driver travelling on a motorway or an expressway must keep a minimum distance between the vehicle they are driving and the vehicle travelling in front of them in the same lane, expressed in metres and no less than half of the number that gives the vehicle's speed in kilometres per hour; the rule does not apply while overtaking. At 120 km/h this is at least 60 m, at 140 km/h - 70 m. On an ordinary dual carriageway from answer B and on a single-carriageway road outside a built-up area from answer C, only the general rule applies - a distance needed to avoid a collision, without a number. The second case of a distance set as a number is a tunnel longer than 500 m outside a built-up area: 50 m for a passenger car, 80 m for a vehicle combination. The "half the speed" rule is easy to remember and in practice corresponds roughly to a two-second gap - the simplest measure of a safe distance.
Legal basis: Art. 19 para. 3a, para. 4 and para. 2 point 3 of the Road Traffic Act (Prawo o ruchu drogowym)