The 'Turn Left Only' sign (402.2) is a mandatory sign meaning you must follow the direction indicated. It's often used at traffic islands, roundabouts, or where traffic streams need to be separated for safety and order. Always follow the direction shown by the sign and any accompanying arrows or lane markings, as failing to do so can lead to dangerous situations. This sign is crucial for maintaining traffic flow and preventing conflicts with other road users.
This essential sign dictates a compulsory left turn, crucial for maintaining orderly traffic flow and preventing potential conflicts in Iceland. Mastering its meaning is vital for your theory test revision and safe navigation.
Turn Left Only is a mandatory sign used where traffic has to move in a particular way to stay safe and orderly. It often appears at islands, central refuges, one-way arrangements, path networks, and places where separating traffic streams matters more than driver preference. The sign should be read together with arrows, lane markings, kerbs, and the physical road layout because those details show exactly how the instruction is applied on site. Ignoring a mandatory sign can place you into direct conflict with opposing traffic, pedestrians, cyclists, or a protected part of the road space.
This sign makes turn left only compulsory for the road user or lane concerned. You must follow the direction, side, or path shown instead of choosing your own line through the location.
Get clear, practical answers to the most common questions about the 402.2 - Turn Left Only 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 Icelandic driving theory exam in Iceland.
The 'Turn Left Only' sign (402.2) is a mandatory traffic sign that dictates your route. It tells drivers that they must turn left and cannot go straight, turn right, or make a U-turn if that is not indicated. It ensures traffic moves in a specific, safe direction.
When you see the 'Turn Left Only' sign (402.2), you are prohibited from choosing any direction other than left. This means you cannot go straight ahead, turn right, or make a U-turn. It also means you should not try to improvise or swerve across lanes late to correct a missed mandatory turn.
If you see the 'Turn Left Only' sign (402.2), you must position your vehicle to make a left turn. Prepare early by moving to the correct lane. You must follow the path indicated by the sign and any associated lane markings or physical road layout. Do not attempt to go straight or turn right.
A common trap is confusing mandatory direction signs with information signs that suggest a direction. The 'Turn Left Only' sign (402.2) is not a suggestion; it's a command. Learners might also miss the sign or try to go straight if the road looks wide enough, which is incorrect and dangerous. Always obey mandatory signs and check lane markings.
You will typically see the 'Turn Left Only' sign (402.2) in places where traffic needs to be channelled for safety and efficiency. This includes around traffic islands, central refuges, at the start of one-way systems, or where paths diverge and a specific route must be followed to avoid conflicts with other traffic or road users.
A clear reference image of the 402.2 - Turn Left Only road sign used in Iceland.

The 402.2 - Turn Left Only road sign may also be known by these alternative names or terms.
The 402.2 - Turn Left Only road sign is part of the Mandatory Direction Signs category, which groups together signs with similar rules and functions.
Reviewing these related mandatory direction signs alongside 'Turn Left Only' strengthens your memory and helps you distinguish subtle differences, crucial for accurate Icelandic theory test revision and confident driving. Mastering traffic sign comparison aids immediate recognition, reducing errors on your driving licence test.

Understand the 'Straight Ahead Only' Mandatory Direction Sign (402.3)

Understand the 'Turn Right Only' Mandatory Direction Sign (402.4)

Mandatory Turn Left Ahead Only Traffic Sign Explained

Mandatory Movement: Follow the Arrow or Go Straight Ahead!

Mandatory Traffic Direction: Straight Ahead or Turn Left

Understand the Mandatory 'Pass Either Side' Traffic Sign (402.8)

Understand the 'Pass Obstruction on the Right' Mandatory Traffic Sign
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