The R-401c traffic sign is a mandatory sign indicating that you must pass the obstruction or intersection on a specific side, or in a specific direction. These Spanish mandatory signs are crucial for directing traffic flow and ensuring safety, especially where road layouts or traffic management require a specific path. Always adhere to the direction shown by the sign to avoid conflicts with other traffic or road users, and pay attention to any accompanying arrows or lane markings that clarify the compulsory maneuver.
This mandatory R-401c sign dictates a compulsory direction of travel, requiring you to pass on either side. Mastering its meaning is crucial for your Spanish driving theory test revision and ensuring safe navigation through complex traffic situations.
The sign for may pass on either side tells road users what they are required to do rather than what they must avoid. Spanish mandatory signs are used where the road design, lane arrangement, or traffic management demands a specific direction, route, or traffic class. Ignoring the instruction can put you into conflict with opposing traffic, protected users, or reserved infrastructure. Always follow the symbol itself first, then use arrows, lane markings, and panels to understand the exact path or maneuver that is compulsory.
This mandatory sign requires road users to follow may pass on either side. It tells you which maneuver, direction, route, or lane use is compulsory at that point.
Get clear, practical answers to the most common questions about the R-401c - May pass on either side 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-401c sign is a mandatory traffic sign that requires you to pass an obstruction, junction, or point in the road on the side indicated by the sign. It tells you what you *must* do, rather than what you must avoid.
When you see the R-401c sign, you must follow the direction or pass on the side indicated by the sign and any accompanying arrows or lane markings. Do not choose a different route or lane; your movement is compulsory.
A common trap is confusing this with advisory signs or simply assuming you can choose any side. The R-401c is a *mandatory* instruction; failing to follow it could put you in conflict with oncoming traffic or other road users. Always prioritize the instruction of the mandatory sign.
Arrows, lane markings, or supplementary panels often accompany the R-401c sign to provide more specific details about the compulsory maneuver or route. You must follow the instruction of the sign in conjunction with these markings to correctly execute the required action.
No, you must not choose a different direction or side than what is indicated by the R-401c sign and its associated markings. This sign dictates a compulsory maneuver for traffic safety and order.
A clear reference image of the R-401c - May pass on either side road sign used in Spain.

The R-401c - May pass on either side road sign may also be known by these alternative names or terms.
The R-401c - May pass on either side road sign is part of the Mandatory Signs category, which groups together signs with similar rules and functions.
Comparing related road signs, like mandatory signs and their variants, helps solidify your knowledge for the Spanish theory test. Practice traffic sign comparison to reduce confusion and improve your recall of official road rules for a successful exam.

Mandatory 'Go Straight' Sign (R-400c): Know Your Compulsory Direction

Mandatory Turn Left: Know What This Sign Demands on Spanish Roads

The R-401b 'Keep Left' Sign: Your Compulsory Direction in Spain
You've explored the complete list of Spanish road signs. Now, deepen your understanding by reviewing specific sign groups or testing your knowledge with practice questions. Fully prepare for your DGT driving theory exam and confidently navigate Spanish roads.
Browse All Spanish Road Signs