This prohibitory traffic sign, known as "No Overtaking" (code 4a) in Austria, imposes a strict ban on overtaking other vehicles. When you see this sign, you must understand that passing is forbidden from this point onwards, or within the specified zone. It's crucial to check if the restriction applies to your vehicle type and intended manoeuvre, and always comply with the posted rule to ensure safety and pass your theory exam.
This critical prohibitory sign (catalogue code 4a) signifies a binding restriction on overtaking. Proper interpretation is essential for safe driving and passing your theory test revision.
This Austrian prohibitory sign creates a binding restriction. It can control access, turns, overtaking, vehicle category, load, dimension, speed, stopping, parking, horn use, riding, or pedestrian access. Correct interpretation means checking whether the rule applies to your vehicle and intended action, then choosing a compliant route or manoeuvre before passing the sign. Official catalogue code: 4a.
The "No overtaking" sign sets a binding prohibition or restriction for the movement, vehicle category, stopping action, parking action, dimension, or load shown. Catalogue code 4a.
Get clear, practical answers to the most common questions about the 4a - No overtaking 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 Austrian driving theory exam in Austria.
The "No Overtaking" sign (4a) specifically prohibits you from overtaking any other vehicle. This is a binding restriction, meaning you must not pass other vehicles while the sign's influence is active.
Generally, the "No Overtaking" sign (4a) means no overtaking at all for vehicles of the same category. Exceptions can sometimes be indicated by additional panels, such as allowing overtaking of two-wheeled vehicles or bicycles, but without such panels, assume no exceptions apply to your car.
The prohibition indicated by the "No Overtaking" sign (4a) typically ends at the next junction, intersection, or when another sign explicitly cancels the restriction. Always be aware of your surroundings, including road markings and other traffic signals, to understand the extent of the zone.
A common trap is assuming the prohibition ends automatically after a short distance or at a bend. You must wait for a sign explicitly cancelling the restriction or a junction. Another trap is confusing this sign with 'No passing zone' for specific vehicle types; sign 4a generally applies to all vehicles of the same category unless otherwise specified.
Yes, road markings are very important. If the 'No Overtaking' sign (4a) is present, it usually reinforces a solid white line, which also prohibits overtaking. Always adhere to both the sign and the lane markings for safety and compliance.
A clear reference image of the 4a - No overtaking road sign used in Austria.

The 4a - No overtaking road sign may also be known by these alternative names or terms.
The 4a - No overtaking road sign is part of the Austrian Prohibitory Signs category, which groups together signs with similar rules and functions.
Reviewing adjacent or commonly confused road signs helps solidify your understanding and reduces errors on your Austrian theory test. Practise effective traffic sign comparison to improve sign recognition and boost your revision.

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After reviewing the full list of Austrian road signs, test your recognition skills with targeted practice questions. Explore signs by category to reinforce specific areas of knowledge, ensuring you're fully prepared for the driving theory exam and confident in recognizing any sign on the road.
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