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Prohibition Signs: What You Cannot Do on the Road

Traffic Regulations Specialist

November 10, 2025
7 min read
Prohibition Signs: What You Cannot Do on the Road

Featured Article

Prohibition signs tell you what you cannot do. These signs restrict certain driving behaviors and carry legal consequences for non-compliance. Understanding them is crucial for legal and safe driving.

What Are Prohibition Signs?

Prohibition signs are circular with a red border on a white background, often with a red line through a symbol. The red circle itself signals "don't" or "no." These signs are regulations, and violating them can result in fines and penalty points.

Common Prohibition Signs

Access Restrictions

  • No Entry
  • Do Not Enter
  • No Access for Certain Vehicle Types
  • Behavior Restrictions

  • No Parking
  • No Stopping
  • No Overtaking
  • No U-turns
  • No Horns
  • Speed Restrictions

  • Speed Limit Restrictions
  • End of Speed Limit
  • Legal Consequences of Violation

    Violating prohibition signs typically results in:

  • Fixed penalty notices (fines)
  • Penalty points on your license
  • Vehicle towing (for parking violations)
  • Potential driving ban for serious violations
  • Identifying Prohibition Signs

    Quick identification tips:

  • Look for the circular shape with red border
  • The symbol inside indicates what's prohibited
  • Red circle with line through it = don't do that
  • Responding Appropriately

    When you see a prohibition sign:

  • Recognize it immediately
  • Understand the specific restriction
  • Plan your route or behavior accordingly
  • Avoid the prohibited action entirely
  • Continue driving safely
  • Special Situations

    Some prohibition signs have special circumstances:

  • Time-limited restrictions (rush hour, etc.)
  • Vehicle-type restrictions (trucks, motorcycles)
  • Seasonal restrictions (winter conditions)
  • Conclusion

    Prohibition signs exist to organize traffic flow and protect safety. Treating them with respect demonstrates driving maturity and keeps you and others safe on Irish roads.

    Improve Your Driving Knowledge

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