The R-306 traffic sign in Spain is a prohibition sign specifically restricting heavy goods vehicles (HGVs) from overtaking. You will see this sign on roads where overtaking by HGVs could be dangerous or cause significant traffic disruption. Drivers of heavy goods vehicles must strictly obey this sign and refrain from overtaking until the restriction is lifted by an end sign or a different traffic regulation.
This prohibition sign is crucial for safe driving in Spain, specifically for heavy goods vehicles. Master its meaning and application for your theory test revision and to ensure compliance with Spanish traffic rules.
The sign for no overtaking by heavy goods vehicles is part of the Spanish regulatory system that creates a direct restriction on how the road may be used. Depending on the symbol or measurement shown, it can ban entry, cap a physical dimension, limit a maneuver, or prohibit a behavior such as speeding, overtaking, stopping, or parking. Drivers must obey it from the point where the sign applies until the condition ends, whether by an end sign, a junction, or a different signed rule. Any figures, vehicle symbols, time limits, or additional panels shown with the sign are legally important and can narrow or widen who the restriction affects.
This restriction sign applies to no overtaking by heavy goods vehicles. It creates a direct rule that drivers must obey until the restriction ends or another sign changes the condition.
Get clear, practical answers to the most common questions about the R-306 - No overtaking by heavy goods vehicles 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 Spanish driving theory exam in Spain.
The R-306 sign specifically prohibits heavy goods vehicles (HGVs) from overtaking other vehicles. It's a regulatory sign indicating a restriction for a particular vehicle type.
This sign exclusively applies to drivers of heavy goods vehicles (HGVs). Passenger cars and lighter vehicles are generally permitted to overtake unless indicated otherwise by a different sign.
The restriction imposed by the R-306 sign remains in effect until you pass a sign indicating the end of this specific prohibition, or until another sign modifies or cancels the rule. Always be aware of subsequent signs.
While the R-306 sign is a strict prohibition for HGVs, always check for additional panels beneath it. These panels might specify time limits, specific weights, or exceptions for certain types of HGVs. If no exceptions are indicated, assume it applies to all HGVs.
A common trap is for learners to think the sign applies to all vehicles. Remember that the R-306 is specific to heavy goods vehicles. Also, learners might forget to look for signs that indicate the end of the restriction, assuming it applies indefinitely.
A clear reference image of the R-306 - No overtaking by heavy goods vehicles road sign used in Spain.

The R-306 - No overtaking by heavy goods vehicles road sign may also be known by these alternative names or terms.
The R-306 - No overtaking by heavy goods vehicles road sign is part of the Other Prohibition or Restriction Signs category, which groups together signs with similar rules and functions.
Master Spanish traffic rules by studying similar road signs. Comparing R-306 with related prohibition signs aids in sign recognition and improves your theory test revision for fewer mistakes.

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