What do this series of yellow lights indicate?
Signage: Beacons and temporary signage
Explanation
Flashing yellow lights as a passage barrier
- These lights form a **barrier device**.
- Their function is to **prohibit the passage** of any vehicle through the **imaginary line** that connects them.
- The prohibition affects the **entire width** spanned by the lights.
- You must **stop before** that line and **not cross it** until they turn off or passage is authorized.
- Do not confuse with an **isolated flashing yellow** (caution): here, as a series acting as a barrier, **passage is prohibited**.
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