The double central line road marking is vital for maintaining safe traffic flow and preventing dangerous maneuvers on Icelandic roads. A thorough understanding of its meaning and legal implications is crucial for your driving theory test revision and ensuring compliance with Icelandic traffic rules, affecting everything from lane discipline to safe overtaking practices.
Double Central Line is a painted or surface-applied marking used to organise movement on the road itself. Road markings guide positioning, separate opposing flows, indicate priorities, reserve space for certain users, and show where stopping, crossing, or turning is allowed or restricted. The safest approach is to read the marking early and adjust lane position before reaching it, especially where overtaking, crossing, or lane choice is affected. In winter or poor maintenance conditions, markings may be harder to see, but where visible they remain an important part of the legal traffic arrangement.
This road marking controls or guides double central line directly on the carriageway. It must be read just as seriously as an upright sign because it tells you how to position the vehicle, where you may cross, and which part of the road is reserved or restricted.
A clear reference image of the 1006.3 - Double Central Line road sign used in Iceland.

The 1006.3 - Double Central Line road sign may also be known by these alternative names or terms.
The 1006.3 - Double Central Line road sign is part of the Road Markings category, which groups together signs with similar rules and functions.
Mastering Iceland's traffic rules means understanding subtle differences between similar road signs and markings. Comparing this double central line with other road markings aids sign recognition and reduces confusion, crucial for theory test revision.
After reviewing the full list of Icelandic road signs, reinforce your learning with targeted practice. Explore our sign group categories or take a specific quiz to test your recognition and recall. Ensure you're fully prepared to identify and interpret all traffic signs for your upcoming driving theory exam.
View All Icelandic Road Signs