This traffic signal, often seen on Irish roads, specifically controls traffic flow and priority, featuring a dedicated green light for left turns. It's crucial to obey the signal that applies to your specific lane, vehicle type, or movement, as different aspects can control general traffic, turning vehicles, buses, cyclists, or even pedestrians. Always ensure the way ahead is clear before proceeding when your signal permits movement.
Master the '4 Aspect Traffic Signal with Green Left Turn' (RTS-003) to ensure correct road usage in Ireland. This sign interpretation is crucial for your theory test revision, helping you navigate complex junctions safely and understand Irish traffic rules.
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.
4 Aspect Traffic Signal with Green Left Turn 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-003 - 4 Aspect Traffic Signal with Green Left Turn 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-003 signal, a 4-aspect traffic signal with a green left turn, is designed to manage complex junctions and ensure safe priority for different traffic movements. It allows specific movements, like a left turn, to proceed safely while other movements might be stopped or controlled by different signal aspects.
When you see a green left arrow on the RTS-003 signal, it indicates that you have priority for a left turn from your lane. You can proceed with the turn, but only if the way is clear and it's safe to do so. Always be aware of pedestrians or cyclists who might also have a signal to cross.
It's vital to match the signal to your lane and intended movement. If you are in a lane with a different signal, such as a red light or a straight-ahead green light, you must obey that signal and not the green left arrow, even if it's visible on the same signal head. Always prioritize the signal directly applicable to you.
A common trap is assuming any green light means you can go. With this signal, you must ensure the green light applies specifically to your intended movement and lane. Also, remember that a green arrow for one direction doesn't mean other directions are clear; always check for other traffic and pedestrians before moving.
This means you must look at the specific light or arrow that is directly relevant to your position on the road and your intended manoeuvre. For example, if you are turning left, you obey the green left arrow. If you are going straight ahead and see a red light for that direction, you must stop, even if a green left arrow is also displayed for another lane.
A clear reference image of the RTS-003 - 4 Aspect Traffic Signal with Green Left Turn road sign used in Ireland.

The RTS-003 - 4 Aspect Traffic Signal with Green Left Turn road sign may also be known by these alternative names or terms.
The RTS-003 - 4 Aspect Traffic Signal with Green Left Turn road sign is part of the Traffic Signals category, which groups together signs with similar rules and functions.
Reviewing traffic signals similar to the 4 Aspect Traffic Signal with Green Left Turn helps solidify your understanding and improve sign recognition. Comparing these signals is a key strategy for effective Driver Theory Test revision and mastering Irish traffic rules.

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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