The 'Maximum Speed Limit' sign (catalogue code 2.30) is a mandatory instruction sign in Switzerland that sets a specific speed limit for a section of road. You must adjust your speed before you reach the sign and adhere to the stated limit until a subsequent sign or road marking indicates otherwise. Interpreting this sign correctly, along with any supplementary panels or road markings, is crucial for safe driving and passing your theory test.
This section explains the 'Maximum speed limit' sign (2.30) and its implications for your driving in Switzerland. Master this critical road sign interpretation for effective theory test revision and adherence to Swiss traffic rules.
This catalogue entry is used for a mandatory instruction, speed rule, stopping or parking control, lane or path assignment, or zone boundary. It tells drivers what action is required, restricted, started, or ended at that point in the road layout. A professional interpretation should connect the sign to the correct lane, path, bay, zone, or end sign, then check panels, arrows, vehicle symbols, and markings before deciding what is allowed. Official catalogue code: 2.30.
The "Maximum speed limit" sign sets or confirms the speed rule shown on the sign face. Drivers should adjust before the sign takes effect, not after passing it. Catalogue code 2.30.
Get clear, practical answers to the most common questions about the 2.30 - Maximum speed limit 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 Maximum Speed Limit sign (2.30) indicates the highest speed you are legally allowed to drive on that particular stretch of road. You must reduce your speed to at or below the limit shown on the sign before you pass it and maintain it until the limit is officially ended.
The speed limit indicated by sign 2.30 takes effect from the point where the sign is placed. You should anticipate and adjust your speed before you reach the sign, not after you have passed it.
The speed limit indicated by sign 2.30 remains in effect until you see an 'End of Speed Limit' sign (usually a black diagonal bar across the speed number), a sign for a different speed limit, or you enter a zone where speed limits are generally different, like a built-up area unless otherwise specified.
While sign 2.30 sets a mandatory limit, always pay attention to supplementary panels that might modify its application (e.g., specifying times or vehicle types). Also, road conditions (like heavy rain or snow) may require you to drive even slower than the posted limit for safety.
A common trap is assuming the speed limit ends when road conditions improve or when you pass a familiar area. Learners might also forget to check for supplementary panels or end signs, leading to incorrect assumptions about when the speed limit is no longer in effect.
A clear reference image of the 2.30 - Maximum speed limit road sign used in Switzerland.

The 2.30 - Maximum speed limit road sign may also be known by these alternative names or terms.
The 2.30 - Maximum speed limit road sign is part of the Swiss Mandatory and Parking Signs category, which groups together signs with similar rules and functions.
Comparing the 'Maximum speed limit' sign with similar traffic signs helps solidify your understanding and prevents common mistakes during your theory test revision. This detailed traffic sign comparison enhances your ability to quickly recognise and correctly interpret various speed regulations on Swiss roads, crucial for passing your driving licence theory.

Understand the Generally Valid Speed Limit Sign in Built-up Areas (2.30.1-D)

Obey the Generally Valid Speed Limit within Built-up Areas (French Variant)

Understand the Generally Valid Speed Limit Sign within Built-Up Areas (Italian Variant)

Understand the "Generally Valid Speed Limit Within Densely Built-Up Areas" Sign (2.30.1-R)

Obey the Minimum Speed Limit Sign (2.31) on Swiss Roads

The 'Must Turn Right' sign (2.32) mandates your direction of travel.

Mandatory Left Turn: This Sign Dictates Your Direction!

Mandatory Instruction: You must go around the obstacle on the right side (Sign 2.34).
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This catalogue entry is used for a mandatory instruction, speed rule, stopping or parking control, lane or path assignment, or zone boundary. It tells drivers what action is required, restricted, started, or ended at that point in the road layout. A professional interpretation should connect the sign to the correct lane, path, bay, zone, or end sign, then check panels, arrows, vehicle symbols, and markings before deciding what is allowed. Official catalogue code: 2.30.1-D.
This catalogue entry is used for a mandatory instruction, speed rule, stopping or parking control, lane or path assignment, or zone boundary. It tells drivers what action is required, restricted, started, or ended at that point in the road layout. A professional interpretation should connect the sign to the correct lane, path, bay, zone, or end sign, then check panels, arrows, vehicle symbols, and markings before deciding what is allowed. Official catalogue code: 2.30.1-F.
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