Speed limits come up in almost every K53 rules paper, and the trap is that there is not one set of numbers — there is a general limit per road type, and then lower caps for particular classes of vehicle.
| Where | General limit | Applies to |
|---|---|---|
| Public road in an urban area | 60 km/h | All vehicles unless signed otherwise |
| Public road outside an urban area | 100 km/h | Ordinary vehicles |
| Freeway | 120 km/h | Ordinary vehicles |
| Goods vehicle over 9 000 kg GVM | 80 km/h | Outside urban areas |
| Bus or minibus over 3 500 kg carrying passengers | 100 km/h | Outside urban areas |
| Residential area (signposted) | 30 km/h | All vehicles |
| Pedestrian priority area | 15 km/h | Vehicles permitted to enter |
The general limits above are only the default where no sign has been put up. A speed-limit sign overrides them, and it is there because something about that stretch justifies a lower figure.
The three general limits
Inside an urban area the default is 60 km/h. Urban roads have pedestrians, driveways, parked cars and frequent intersections, so the limit is set low enough that a driver can still stop for something that appears at short notice.
Outside urban areas it rises to 100 km/h. This is the ordinary rural road figure — the higher 120 is reserved for freeways, which have separated carriageways, no cross traffic and no pedestrians.
The heavy vehicle caps — the part people get wrong
Two figures are commonly confused in the test, and they are not the same:
- A goods vehicle with a gross vehicle mass over 9 000 kg is limited to 80 km/h outside urban areas.
- A bus or minibus over 3 500 kg carrying passengers is limited to 100 km/h outside urban areas.
The reasoning is straightforward: a heavily loaded goods vehicle needs far more distance to stop and is less stable in an emergency swerve, so the law caps it below the general limit. A passenger vehicle of similar mass is held to the ordinary 100.
Minimum speeds exist too
A number on a blue disc is a MINIMUM speed, not a maximum. A maximum appears on a white disc inside a red ring. Mixing these two up is one of the most common road-signs errors in the whole test.
Minimum speeds are typically posted on long climbs, where a slow heavy vehicle would otherwise block everything behind it.
Speed is a maximum, not a target
The posted limit is the fastest you may legally travel in ideal conditions. It is not the speed you should be doing in rain, mist, at night on an unlit road, or on gravel. Driving at 100 km/h in fog is legal and still dangerous.
A practical rule at night: if you cannot stop within the distance your headlights illuminate, you are going too fast. Dipped beams must show a person or object at 45 m, and main beams at 100 m.
Frequently asked questions
What is the speed limit if there is no sign?
60 km/h inside an urban area, 100 km/h outside one, and 120 km/h on a freeway.
What is the limit in a residential area?
30 km/h, from the residential area sign onwards. Pedestrians have right of way throughout, and vehicles over 3 500 kg may only enter for local access.
Do speed limits change at night?
No, the legal limit is the same. What changes is the safe speed, which is governed by how far you can actually see.
What does a number on a blue disc mean?
It is a minimum speed — you may not drive slower than the figure shown. A maximum is a black number on a white disc with a red ring.