- At a glance
- Group
- Information signs · 70 of 75
- Shape
- Square or rectangle
- Colours
- Blue background, white symbol or a white panel with a symbol
- Legal basis
- § 60b of the regulation on road signs and signals
- Exam questions
- 1 question
D-51a Average speed enforcement
What it means
Marks the start of a section where the average speed of travel is measured (section control). The average over the whole section counts, so slowing down just before the camera achieves nothing.
This sign in the exam
6% 6% wrong answers in questions about this sign. Based on 32 answers by Łatweprawko users in mock exams and learning (1 questions).
Most candidates answer correctly, but check the details in the questions below.
Exam questions with this sign
Official catalogue questions whose text, answers or explanation mention this sign. Click to see the question with its answer.