This RTS-004 traffic signal specifically controls left turns, serving as an alternative to standard signals. It indicates when it's safe to proceed with your left turn, especially in complex junction layouts or when filtered movements are controlled separately. Drivers must always match the signal to their lane, vehicle type, and intended movement, proceeding only when the signal permits and the way is clear. Pay close attention to filter arrows, bus, or cycle signals as they can operate independently.
This alternative 3-aspect flashing amber left turn signal requires careful attention. Understanding its specific meaning is crucial for accurate road sign interpretation and passing your Irish Driver Theory Test.
Traffic signals regulate priority where conflicting movements cannot safely proceed together. This signal display may apply to general traffic, turning traffic, buses, cyclists, pedestrians, or railway crossings depending on its symbol and position. Always match the signal to your lane and road-user type, then proceed only when the signal permits it and the way ahead is clear.
3 Aspect Flashing Amber Left Turn Traffic Signal (alternative) controls a specific traffic movement, crossing, lane, vehicle type, or signal sequence. Drivers must obey the aspect that applies to them and wait when the signal does not permit movement.
Get clear, practical answers to the most common questions about the RTS-004 - 3 Aspect Flashing Amber Left Turn Traffic Signal (alternative) 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 RTS-004 signal indicates that left turns are being controlled. A flashing amber aspect for a left turn means you should proceed with caution if the way is clear, after yielding to any pedestrians or cyclists. It often accompanies other signals or filter arrows, so always check what aspect applies to your specific lane and movement.
You can proceed with your left turn on a flashing amber signal if the way ahead is clear and it is safe to do so. This typically means yielding to any pedestrians crossing the path of your turn and ensuring no other traffic is obstructed or endangered by your movement.
A common trap is assuming a flashing amber signal means you can proceed regardless of other traffic or pedestrians. Learners must remember to always check that the way is clear and to yield to pedestrians, just as they would at a normal junction when not facing a red light. Misinterpreting filter arrows or separate signals for buses or cyclists is also a frequent error.
Yes, absolutely. The RTS-004 is often an 'alternative' signal, meaning it might work alongside or instead of other signals. You must always pay attention to any filter arrows, pedestrian signals, or specific signals for buses or cyclists, as these can dictate priority differently. Only follow the signal that applies to your lane and intended movement.
If you see a red signal or any signal aspect that does not apply to your specific left turn movement or lane, you must stop and wait. Do not proceed. Similarly, if you see an arrow, bus, or cycle signal, you should only act on it if it is relevant to your intended action and phase.
A clear reference image of the RTS-004 - 3 Aspect Flashing Amber Left Turn Traffic Signal (alternative) road sign used in Ireland.

The RTS-004 - 3 Aspect Flashing Amber Left Turn Traffic Signal (alternative) road sign may also be known by these alternative names or terms.
The RTS-004 - 3 Aspect Flashing Amber Left Turn Traffic Signal (alternative) road sign is part of the Traffic Signals category, which groups together signs with similar rules and functions.
Reviewing these closely related traffic signals in Ireland helps reinforce your learning and ensures you correctly identify differences. Effective traffic sign comparison is key for your Driver Theory Test revision and general road safety knowledge.

Obey the 2 Aspect Pedestrian Signal to safely navigate junctions and crossings.

Obey the 3 Aspect Pedestrian Signal (RPC-004) to safely navigate junctions and crossings.

Master the 3 Aspect Standard Traffic Signal for Safe Driving in Ireland

Master the Green Right Turn 3 Aspect Traffic Signal for safe driving in Ireland.

Know Your Green Left Turn Signal: What RTS-002 Means for Your Drive

Obey the Green Go Straight 3 Aspect Traffic Signal for safe passage.

Understand the 3 Aspect Bus Traffic Signal (RTS-002) and what it means for your driving.

Understand the 3 Aspect U-Turn Traffic Signal for Safe Driving in Ireland
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