The Detour sign (WK-090) warns you about temporary roadworks ahead, indicating that the normal road layout is changed. You should anticipate altered priorities, narrowed lanes, workers, machinery, and temporary traffic management systems. Always slow down, follow the designated temporary route, and provide extra space for road workers and merging traffic.
This 'Detour' sign (WK-090) indicates a temporary diversion due to roadworks, requiring drivers to follow an alternative route. Essential for your Irish theory test revision, understanding this sign aids safe navigation through changed traffic conditions.
Roadwork signs in Ireland are used where normal road conditions have been changed by maintenance, construction, utility works, or temporary traffic control. This sign helps drivers understand detour before entering the affected section. Slow down, follow the temporary alignment, and give road workers and merging traffic more space than usual.
Detour gives advance notice or an instruction for a temporary roadworks layout. Drivers should expect changed priorities, narrowed lanes, workers, machinery, cones, barriers, and temporary traffic management.
Get clear, practical answers to the most common questions about the WK-090 - Detour 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 Irish driving theory exam in Ireland.
The Detour sign (WK-090) means that the normal road ahead is temporarily closed or altered due to roadworks. You must follow the alternative route or changed lane alignment indicated by temporary signs and traffic management, which often includes cones and barriers.
Upon seeing the Detour sign (WK-090), you must slow down and prepare to follow a temporary route or lane layout. Be extra vigilant for workers, machinery, changing road surfaces, and merging traffic. Adhere strictly to any temporary speed limits or lane controls in place.
When encountering the Detour sign (WK-090), it's crucial to expect reduced speeds, narrowed lanes, and potentially complex traffic flow. Never enter coned-off areas or safety zones. Always leave ample space for workers and machinery, and be ready for sudden stops or lane changes.
A common exam trap is failing to recognise that temporary roadwork signs like the Detour (WK-090) override normal road layouts and rules. Learners might also underestimate the need to slow down significantly or might not give sufficient space to workers and equipment, which are points often tested.
While other roadwork signs might simply warn of upcoming works, the Detour sign specifically indicates that the normal route is unavailable and you must follow a different, temporary path. It signifies a more significant diversion or alteration to your usual journey.
A clear reference image of the WK-090 - Detour road sign used in Ireland.

The WK-090 - Detour road sign may also be known by these alternative names or terms.
The WK-090 - Detour road sign is part of the Roadwork Signs category, which groups together signs with similar rules and functions.
Understanding detour signs is crucial for navigating temporary diversions. Comparing similar road signs aids recall and reduces confusion, essential for your Driver Theory Test revision and overall driving knowledge in Ireland.

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Understand the 'Move to Left (Three Lanes)' Road Sign for Roadworks

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After reviewing all Irish road signs, strengthen your knowledge further by exploring specific categories or taking dedicated practice questions. This targeted approach helps solidify your recognition and recall skills, ensuring you are fully prepared for the visual sections of your Driver Theory Test.
All Irish Road Signs List