What must you reckon with when you see this traffic sign?

The traffic sign you see is a warning sign indicating roadwork or construction activity ahead. When you see this sign, you should be aware of several potential hazards:

1. **Traffic from Road Construction Vehicles**: You may encounter construction vehicles entering or exiting the roadway. These vehicles can be large and may not have the same visibility as regular cars, making it important to stay vigilant.

2. **Men at Work on the Roadway**: The presence of construction workers means there could be sudden changes in traffic patterns or pedestrians within the roadway. You should reduce speed and be prepared to stop if necessary.

3. **Construction Materials on the Roadway**: Materials such as gravel, barricades, or tools may be present on the road, which could pose hazards to drivers. Being cautious helps prevent accidents.

Understanding these aspects is crucial for your safety and the safety of those working on the road. Following traffic rules and being attentive in such areas helps ensure a smooth and safe driving experience.