The A9 sign is a warning traffic sign indicating an upcoming speed bump or dip in the road, designed to calm traffic. It's crucial to reduce your speed early and smoothly navigate these obstacles to ensure vehicle control and passenger comfort. These features are often found in areas with vulnerable road users like pedestrians and cyclists, so always remain vigilant and scan your surroundings. Proper response to this sign is vital for safe driving and is frequently tested in the driving licence theory exam.
Learn the key details of the A9 - Warning for Speed Bump or Dip road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in Sweden. Use this overview to understand the sign clearly and recognise it confidently during the Swedish driving theory exam.
This sign warns of a constructed hump or dip in the road designed to calm traffic. Passing it too fast can damage the vehicle, reduce control, or cause discomfort to passengers. Reduce speed early and keep the vehicle stable, especially if the hump is near crossings, schools, or residential areas. Be prepared for pedestrians or cyclists nearby, since speed-reducing features are often placed where vulnerable road users are present. In wet or icy conditions, the approach and exit can be slippery, so avoid harsh braking or acceleration.
A raised bump or a dip is ahead, used as a speed-reducing measure.
Get clear, practical answers to the most common questions about the A9 - Warning for Speed Bump or Dip road sign. Learn how the sign works, what rules it represents, and how it affects real driving situations. This FAQ strengthens your understanding and supports accurate decision making for the Swedish driving theory exam in Sweden.
The A9 sign is a warning that there is a raised speed bump or a dip in the road ahead. These are traffic calming measures, and you must reduce your speed before reaching them to maintain control of your vehicle and ensure a smooth passage.
Upon seeing the A9 warning sign, you should reduce your speed well in advance of the bump or dip. Avoid sudden braking or acceleration, and steer smoothly. This ensures you can safely navigate the obstacle and maintain stability, especially in adverse weather conditions.
Speed bumps and dips are installed as traffic calming features. They encourage drivers to slow down, making areas safer for pedestrians, cyclists, and residents, particularly near schools, residential zones, and crossings.
A common exam trap is not slowing down early enough or braking too hard on the bump itself. Remember, the warning is for the obstacle ahead, so you need to adjust your speed before you reach it. Also, be aware that these signs often indicate areas where vulnerable road users might be present.
Yes, the A9 sign warns of both raised speed bumps (humps) and dips in the road surface. Both are designed to reduce speed, and your reaction should be the same: slow down smoothly and maintain control.
A clear reference image of the A9 - Warning for Speed Bump or Dip road sign used in Sweden.

The A9 - Warning for Speed Bump or Dip road sign may also be known by these alternative names or terms.
The A9 - Warning for Speed Bump or Dip road sign is part of the Warning Signs (A) category, which groups together signs with similar rules and functions.