What are you required to do according to the following road sign?

- Slow down, rough road ahead.
- Slow down because of road-works.
- Slow down and prepare to bypass obstacles on the road.
- Slow down and cross the speed bumps With caution.· Correct answer

Sign 144 (speed bumps) warns of speed bumps on the road. You must slow down and cross the bumps carefully to avoid damage to the vehicle and discomfort to the passengers.
Speed bump sign = slow down and cross carefully
Confusing different warning signs, this one is specifically for speed bumps
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