The 'Customs (French and Italian variant)' sign, coded 2.51-F-I, is a mandatory instruction sign in Switzerland. It dictates specific driving, lane, path, parking, stopping, or zone rules. Always interpret this sign in conjunction with any arrows, bay markings, supplementary panels, or end signs to understand precisely how it applies to your route and actions.
This specific sign, code 2.51-F-I, indicates a mandatory instruction regarding customs procedures, requiring careful attention to associated panels and road markings. Master its meaning for your Swiss driving theory test revision and ensure correct interpretation of 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: 2.51-F-I.
The "Customs (French and Italian variant)" sign gives a mandatory driving, lane, path, parking, stopping, or zone instruction. Read it with arrows, bay markings, panels, and end signs. Catalogue code 2.51-F-I.
Get clear, practical answers to the most common questions about the 2.51-F-I - Customs (French and Italian variant) 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 2.51-F-I sign indicates a mandatory instruction related to driving, lane usage, parking, stopping, or a specific zone. It means you must follow the rule or instruction indicated by the sign, often in conjunction with arrows or road markings.
You must comply with the instruction given by the sign. This could involve using a specific lane, adhering to a speed limit, entering a designated zone, or following parking/stopping rules. Always check for supplementary panels or road markings for precise details.
A common mistake is ignoring the sign because the road seems familiar or simple. Another error is assuming the instruction has ended before an official end sign or subsequent instruction is seen. Always pay close attention to all road signs and markings.
Yes, this sign often works with lane directives, bay markings, or zone boundaries. You must apply the signed instruction from the point it takes effect, which might be specific to a particular lane, path, or parking bay as indicated by the sign and accompanying road layout.
A clear reference image of the 2.51-F-I - Customs (French and Italian variant) road sign used in Switzerland.

The 2.51-F-I - Customs (French and Italian variant) road sign may also be known by these alternative names or terms.
The 2.51-F-I - Customs (French and Italian variant) road sign is part of the Swiss Mandatory and Parking Signs category, which groups together signs with similar rules and functions.
Master Swiss traffic signs by reviewing related examples. Comparing similar road signs and understanding their subtle differences aids memory and reduces exam errors. Use this section for effective theory test revision and sign recognition practice.

Understand the Maximum Speed Limit Sign (2.30)

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!
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