The M11 'Warning Line with Solid Line' traffic sign is used to strengthen lane discipline by indicating that lane changes are forbidden for traffic approaching from the solid line side. The accompanying warning line serves as an advisory, often signalling an upcoming solid line and prompting drivers to be extra cautious. This sign is crucial for managing traffic flow and ensuring safety, especially before areas with limited visibility or other lane restrictions.
Learn the key details of the M11 - Warning Line with Solid Line road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in Sweden. Use this overview to understand the sign clearly and recognise it confidently during the Swedish driving theory exam.
This combined marking strengthens the message that lane changing is not permitted for traffic on the solid line side. The warning line on the other side emphasizes caution and can indicate that stricter separation is coming ahead. It is used where traffic conditions require controlled lane discipline, such as before limited visibility sections. The design helps drivers anticipate restrictions early and avoid risky last second moves.
A warning line next to a solid line. Drivers on the solid line side must not change lanes across it, and the warning line can also signal an upcoming solid line.
Get clear, practical answers to the most common questions about the M11 - Warning Line with Solid Line 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 Swedish driving theory exam in Sweden.
The M11 sign combines a warning line with a solid line. For traffic on the solid line side, it strictly prohibits lane changes. The warning line on the other side acts as an advisory, cautioning drivers about upcoming restrictions and reinforcing the need for controlled lane discipline.
When approaching the M11 'Warning Line with Solid Line' from the solid line side, you must not change lanes across it. This also means you should not start an overtake near the transition and must avoid trying to squeeze back into the lane at the last moment before the solid line restriction.
If you see the M11 sign, especially from the solid line side, you should stay in your lane and plan ahead. Prepare for reduced overtaking opportunities by increasing your following distance and adhering to the guidance. Wait for permitted passing zones.
The warning line component acts as an early alert. It prompts you to stop planning overtakes and to settle into a safe following position. It signifies that stricter lane separation is coming, helping you to anticipate and avoid last-second, risky manoeuvres.
While the M11 sign itself doesn't set a speed limit, it is often used in areas where controlled lane discipline is essential for safety, such as before stretches with limited visibility or at transitions on busier roads. Always observe the prevailing speed limits and adapt your speed to the conditions indicated by this sign.
A clear reference image of the M11 - Warning Line with Solid Line road sign used in Sweden.

The M11 - Warning Line with Solid Line road sign may also be known by these alternative names or terms.
The M11 - Warning Line with Solid Line road sign is part of the Road Markings (M) category, which groups together signs with similar rules and functions.