The 'Expressway' sign (4.03) is an indication sign that identifies an expressway or provides practical information about this type of road. While it helps you make route and behaviour choices, it does not replace specific regulations like speed limits or priority rules. Always interpret this sign alongside other traffic controls like lane markings, traffic lights, and supplementary panels to ensure safe driving and successful navigation.
The Swiss "Expressway" sign (4.03) provides crucial route information for motorway and similar roads, aiding your decision-making during theory test revision. Proper sign interpretation is vital for navigating Swiss traffic rules and ensuring safe driving practices.
This indication sign identifies a road type, facility, traffic arrangement, service, or operating condition. It helps drivers understand what is available or expected ahead, but it does not override separate speed limits, prohibitions, priority rules, lane signals, or road markings. For learners, the professional interpretation is to use the information early while continuing to scan for binding regulatory instructions. Official catalogue code: 4.03.
The "Expressway" sign identifies expressway or gives practical information about that road facility. It supports route and behaviour choices without replacing separate regulations. Catalogue code 4.03.
Get clear, practical answers to the most common questions about the 4.03 - Expressway road sign. Learn how the sign works, what rules it represents, and how it affects real driving situations. This FAQ strengthens your understanding and supports accurate decision making for the Swiss driving theory exam in Switzerland.
The Expressway sign (4.03) informs you that you are entering a road classified as an expressway. It's an indication sign designed to help you plan your route and understand the road ahead, but it doesn't set any specific rules on its own. Always look for other regulatory signs.
Yes, you should be aware that you are on or approaching an expressway, which typically has different traffic flow characteristics and potentially higher speeds. However, the sign itself doesn't impose new rules; you must continue to obey all other traffic signs, road markings, and general traffic laws.
A common mistake is assuming the 'Expressway' sign grants special permissions or implies a higher speed limit than posted. Learners might also forget to check for other signs, such as specific speed limits, lane usage signals, or priority rules, which always take precedence over this general indication.
The Expressway sign (4.03) is an informational sign. It works in conjunction with regulatory signs (like speed limits or prohibitions) and other traffic controls. You must always give priority to binding regulatory signs, lane signals, traffic lights, and road markings, even if they appear after the Expressway sign.
No, the Expressway sign (4.03) is classified as an indication sign, not a warning sign. While it indicates a change in road type and potential traffic conditions, its primary purpose is to inform drivers about the nature of the road facility ahead, rather than to warn of a specific hazard.
A clear reference image of the 4.03 - Expressway road sign used in Switzerland.

The 4.03 - Expressway road sign may also be known by these alternative names or terms.
The 4.03 - Expressway road sign is part of the Swiss Indication Signs category, which groups together signs with similar rules and functions.
Comparing the Expressway sign with related traffic signs helps cement your knowledge, improving recall and reducing confusion during your theory test revision. Effective traffic sign comparison is key to mastering road signs and passing your exam.

Understand the 'Motorway' indication sign (4.01) in Switzerland

End of Expressway sign (4.04) informs you about the road ahead.

Understanding the Mountain Postal Road Sign (4.05) in Switzerland

This sign marks the end of a designated mountain postal road.

Understand the 'Tunnel' indication sign (4.07) for safe navigation in Switzerland.

Identify Tunnels Ahead with the 'Tunnel (Variant 1)' Information Sign

The 4.08 One-Way Street Sign: Navigate with Confidence
After reviewing the full list of Swiss road signs, delve deeper into specific categories, practice recognition with quizzes, or explore detailed explanations for each sign. Continue your comprehensive preparation for the official theory driving test.
View All Swiss Road Signs