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DGT Glossary
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Underpass

An underpass is a section of road that passes beneath another road or structure.

Definition

An underpass is a section of road that passes beneath another road or structure.

Traffic regulations

Article 95 of Spain’s General Traffic Regulations covers tunnels and underpasses. Underpasses over 200 metres long must be signposted. Apply the specific traffic rules and use the required lighting.

U-turns

Article 79 prohibits U-turns in an underpass.

Official sources

Key facts

  • U-turns are prohibited.
  • Underpasses over 200 metres must be signposted.

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