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Dutch Road Signs and Traffic Sign Meanings

This traffic sign means it applies only to lorries and buses.

OB-13 - Only Applies to Lorry and Bus Drivers Dutch road sign meaning

The OB-13 traffic sign is a Dutch regulatory sign indicating that a specific rule or restriction applies exclusively to lorries (heavy goods vehicles) and buses. Its purpose is to manage traffic flow, capacity, or environmental impact at particular locations by targeting the largest vehicle classes. When you see this sign, remember that while cars and motorcycles are exempt from this specific rule, lorries and buses must comply. It's crucial to understand this distinction, especially in the context of traffic management on specific routes or at certain times.

Interpreting Sign OB-13: Rules for Lorry and Bus Drivers

This supplementary road sign meaning is crucial for professional drivers. It indicates that the primary traffic rule applies exclusively to lorries and buses, requiring a specific understanding for your Dutch driving theory test and daily road safety.

Definition of OB-13

The plate for lorries and buses is a rectangular supplementary panel placed directly below a main traffic sign and it narrows the scope of that sign to heavy goods vehicles and large buses only. It is used where road design, weight limits, emissions, noise control or safety require different rules for these vehicles. Other road users continue under the normal main sign rules unless another plate specifies otherwise.

Meaning of OB-13

This supplementary plate shows that the rule on the main sign applies specifically to lorries and buses. It tells drivers of heavy goods vehicles and large passenger buses that they must follow the indicated restriction or obligation, while most smaller vehicles follow the general rules. If you drive a lorry or bus, you adjust your speed, route, or stopping behavior to match this targeted instruction.

Allowed actions for OB-13

Apply the main sign rule when driving a lorryApply the main sign rule when driving a busFollow any stricter speed, route or stopping instructions aimed at heavy vehiclesContinue under the general traffic rules when driving vehicles not covered by the plateCombine this plate with other supplementary plates such as time or distance when present

Prohibited actions for OB-13

Assume that cars and motorcycles are bound by this plate when they are not shownIgnore the restriction when driving a lorry or busUse a prohibited route or lane with a lorry or bus contrary to the main signDisregard additional plates that further limit lorries or buses at the same location

OB-13 - Only Applies to Lorry and Bus Drivers road sign FAQ

Get clear, practical answers to the most common questions about the OB-13 - Only Applies to Lorry and Bus Drivers 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 Dutch driving theory exam in the Netherlands.

What is the main purpose of the OB-13 'Only Applies to Lorry and Bus Drivers' sign?

The OB-13 sign serves to inform drivers that a particular traffic rule or restriction, often indicated by another sign placed above or next to it, is specifically for lorries and buses. It helps manage traffic by applying rules only to the largest vehicles, which might be due to their size, weight, emissions, or impact on road capacity.

If I am driving a car or motorcycle, do I need to pay attention to the OB-13 sign?

No, if you are driving a car or motorcycle, the OB-13 sign indicates that the associated rule does not apply to you. You are exempt from the specific restriction or requirement that this sign modifies. However, always be aware of other signs that may affect your driving.

What are common exam traps related to the OB-13 sign?

A common trap in the theory exam is assuming the OB-13 sign itself imposes a rule, rather than modifying an existing one. Learners might mistakenly think it's a prohibition for cars, when in fact, it's an information sign clarifying which vehicles a different sign applies to. Always consider the OB-13 sign in conjunction with any sign displayed above it.

Can the OB-13 sign be combined with other traffic signs?

Yes, the OB-13 sign is almost always used in combination with other signs, such as speed limit signs, entry prohibition signs, or signs indicating specific route requirements. It clarifies that these combined rules only affect lorries and buses, not smaller vehicles.

What if a lorry or bus driver sees the OB-13 sign with an entry prohibition sign above it?

If a lorry or bus driver sees the OB-13 sign displayed above an entry prohibition sign (like a 'no entry' sign), it means lorries and buses are prohibited from entering that road or area. Cars and motorcycles would typically be allowed to proceed, assuming no other signs prohibit them.

OB-13 - Only Applies to Lorry and Bus Drivers road sign image

A clear reference image of the OB-13 - Only Applies to Lorry and Bus Drivers road sign used in the Netherlands.

OB-13 - Only Applies to Lorry and Bus Drivers road sign

Other names for the OB-13 - Only Applies to Lorry and Bus Drivers

The OB-13 - Only Applies to Lorry and Bus Drivers road sign may also be known by these alternative names or terms.

Trucks & buses onlyHGV+bus plateLarge vehicle plateHeavy vehicle targeted

Supplementary Plates (OB) road sign category

The OB-13 - Only Applies to Lorry and Bus Drivers road sign is part of the Supplementary Plates (OB) category, which groups together signs with similar rules and functions.

Master Similar Road Signs

Comparing related road signs, like this 'Applies to Lorries and Buses' indicator, sharpens your ability to distinguish them. Practicing traffic sign comparison aids theory test revision and ensures you recognise all signs accurately on Dutch roads.

OB-01 - Only Applies to Horse Riders road sign

Only Applies to Horse Riders

This sign means the rule applies ONLY to horse riders.

Supplementary Plates (OB)OB-01
OB-02 - Only Applies to Cyclists road sign

Only Applies to Cyclists

The OB-02 sign means the rule applies exclusively to cyclists.

Supplementary Plates (OB)OB-02
OB-03 - Only Applies to Moped Riders road sign

Only Applies to Moped Riders

This sign means the rule ahead exclusively applies to moped riders.

Supplementary Plates (OB)OB-03
OB-04 - Only Applies to Cyclists and Moped Riders road sign

Only Applies to Cyclists and Moped Riders

This Sign Exclusively Targets Cyclists and Moped Riders

Supplementary Plates (OB)OB-04
OB-05 - Only Applies to Agricultural Vehicles road sign

Only Applies to Agricultural Vehicles

Understand the OB-05 sign: This restriction applies only to agricultural vehicles.

Supplementary Plates (OB)OB-05
OB-06 - Only Applies to Motorcyclists road sign

Only Applies to Motorcyclists

OB-06: This Sign Strictly Applies Only to Motorcyclists

Supplementary Plates (OB)OB-06
OB-07 - Only Applies to Motorcyclists and Motorists road sign

Only Applies to Motorcyclists and Motorists

This sign OB-07 means the following rule applies only to motorcycles and passenger cars.

Supplementary Plates (OB)OB-07
OB-08 - Only Applies to Motor Vehicles with >2 Wheels road sign

Only Applies to Motor Vehicles with >2 Wheels

OB-08: This Sign Only Applies to Motor Vehicles with More Than Two Wheels

Supplementary Plates (OB)OB-08

Ready to Master Dutch Road Signs? Explore More Study Options

After reviewing the full list of Dutch road signs, deepen your understanding by exploring signs organized by category or practicing with targeted questions. This systematic approach ensures you fully grasp every sign's meaning and application, preparing you thoroughly for your CBR driving theory exam.

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Dutch Driving Theory B courseDutch Driving Theory AM courseDutch Motorcycle Theory A courseDutch A1 Motorcycle Theory courseDutch Motorcycle Theory (A2) courseSpeed Signs (A) Dutch road sign categoryWarning Signs (J) Dutch road sign categoryPriority Signs (B) Dutch road sign categoryInformation Signs (L) Dutch road sign categoryOB-02 Only Applies to Cyclists Dutch road signOB-401 Rule Applies After … km Dutch road signBuilt-Up Area Signs (H) Dutch road sign categoryOB-12 Only Applies to Bus Drivers Dutch road signSupplementary Plates (OB) Dutch road sign categoryOB-01 Only Applies to Horse Riders Dutch road signOB-03 Only Applies to Moped Riders Dutch road signOB-14 Only Applies to Tram Drivers Dutch road signOB-303 Towing Regulation in Effect Dutch road signOB-06 Only Applies to Motorcyclists Dutch road signOB-11 Only Applies to Lorry Drivers Dutch road signClosure & One-Way Signs (C) Dutch road sign categoryOB-411 Rule Applies Over the Next … m Dutch road signMandatory Direction Signs (D) Dutch road sign categoryParking and Stopping Signs (E) Dutch road sign categoryDirection & Route Guidance (K) Dutch road sign categoryOvertaking & Lane Directives (F) Dutch road sign categoryArea, Road & Path Designations (G) Dutch road sign categoryOB-05 Only Applies to Agricultural Vehicles Dutch road signOB-13 Only Applies to Lorry and Bus Drivers Dutch road signOB-207 Only Applies on Indicated Days/Times Dutch road signOB-108 Does Not Apply to Destination Traffic Dutch road signOB-10 Only Applies to Vehicles with a Trailer Dutch road signOB-04 Only Applies to Cyclists and Moped Riders Dutch road signOB-101 Overtaking Agricultural Vehicles Allowed Dutch road signOB-09 Only Applies to Motorists (Passenger Cars) Dutch road signOB-07 Only Applies to Motorcyclists and Motorists Dutch road signOB-215 Only Applies in the First Half of the Month Dutch road signOB-08 Only Applies to Motor Vehicles with >2 Wheels Dutch road signOB-503 Crossing Cyclists & Mopeds from Both Directions Dutch road signOB-54 ‘Uitgezonderd’ — Excepted (Generic Category Plate) Dutch road sign