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R12 Stop Sign – Left-Turning Drivers Must Give Way

The R12 Stop Sign is a South African regulatory traffic sign used to control traffic movements at an intersection where a specific priority arrangement applies. It provides a stop instruction for the applicable traffic movement while requiring the relevant left-turning traffic to give way before proceeding.

The R12 arrangement is intended for situations where different traffic movements at an intersection need to be controlled separately. Drivers approaching the intersection must observe the sign, road markings and any other applicable traffic-control devices before proceeding.

What Does the R12 Stop Sign Mean?

The R12 sign communicates a specific traffic-control requirement at an intersection. The applicable approaching traffic is required to stop, while drivers making the designated left-turn movement must give way to traffic that has priority before continuing.

Drivers should approach the intersection at a controlled speed, identify the applicable traffic movement and follow the instruction provided by the sign and associated road markings.

The exact traffic priority at an intersection depends on the road layout and the traffic-control arrangement in place. Drivers should therefore not assume that every lane or traffic movement is controlled in the same way.

How Does the R12 Traffic Sign Work?

The R12 arrangement is designed to manage different traffic movements at the same intersection. Instead of applying an identical instruction to every approach, it provides a specific control arrangement for the relevant traffic movements.

Drivers required to stop must come to a complete stop at the applicable stopping position and may proceed only when it is safe and permitted to do so. Drivers making the applicable left turn must give way to traffic that has priority before entering or crossing the relevant traffic stream.

Road markings, stop lines and other traffic-control devices should be considered together with the R12 sign when determining how the intersection is intended to operate.

Where Can an R12 Stop Sign Be Used?

An R12 traffic-control arrangement may be used at an intersection where different traffic movements require specific priority control. Potential applications can include:

• Controlled road intersections
• Junctions with different traffic priorities
• Intersections with unusual traffic movements
• Roads with specific turning arrangements
• Industrial and commercial developments
• Business parks and office parks
• Shopping centres and large access roads
• Residential estates and developments
• Factories and warehouse facilities
• Other locations requiring defined traffic-control arrangements

On public roads, the selection, authorisation, placement and use of regulatory traffic signs are subject to the requirements of the responsible road or traffic authority.

Why Is the R12 Sign Important?

Intersections can have several vehicle movements taking place at the same time. Drivers need to understand which traffic movements must stop, which movements have priority and when a driver is required to give way.

The R12 arrangement provides a specific instruction for the applicable traffic movements. When correctly positioned and supported by appropriate road markings and traffic-control measures, it helps communicate the intended traffic-priority arrangement to approaching road users.

R12 Stop Sign Placement

Correct placement is important because regulatory signs need to be visible to the drivers for whom the instruction applies. The sign should be positioned so that approaching drivers have sufficient opportunity to identify and respond to the traffic-control requirement.

Visibility can be affected by trees, buildings, parked vehicles, advertising structures and other roadside objects. These potential obstructions should be considered when planning the installation.

The sign should also be considered together with the intersection layout, stop line, road markings and other applicable traffic-control devices. The complete arrangement should clearly communicate the required traffic movements.

R12 Stop Sign for Private Property

Traffic-control signs may also be required on private roads and internal access routes where vehicles need to follow a defined traffic-priority arrangement.

Potential private-property applications include:

• Shopping centres
• Business parks
• Factories and industrial sites
• Warehouses and logistics facilities
• Residential estates
• Office developments
• Large parking facilities
• Private access roads
• Commercial property developments

For private installations, the R12 sign should form part of an appropriate traffic-management plan for the site. Property owners, developers and contractors should consider the site's road layout, vehicle movements, access points, road markings and any applicable requirements.

R12 Stop Sign in South Africa

The R12 designation identifies a specific South African regulatory road-sign arrangement. South African road signs are covered by the South African Road Traffic Signs Manual and related road-traffic requirements.

Because regulatory traffic signs communicate traffic-control instructions, public-road installations should use the appropriate sign specification and be implemented in accordance with the requirements of the relevant road or traffic authority.

For private developments, the traffic-control arrangement should also be considered in relation to the site's overall traffic-management requirements.

R12 Stop Sign FAQs

What is an R12 Stop Sign?

The R12 is a South African regulatory traffic-sign arrangement used to control specific traffic movements at an intersection, including a stop requirement and a give-way requirement for the applicable left-turning traffic.

Do drivers turning left have to give way?

Where the R12 arrangement applies to the left-turn movement, the applicable left-turning driver must give way to traffic that has priority before proceeding.

Does the R12 sign mean the same as a normal Stop Sign?

No. The R12 arrangement is intended to control specific traffic movements at an intersection. It includes a particular priority arrangement for the applicable left-turning traffic rather than simply applying the same instruction to every movement.

Where can an R12 sign be installed?

It may be used at suitable controlled intersections where a specific traffic-priority arrangement is required. The appropriate application depends on the road layout and applicable traffic-control requirements.

Can an R12 sign be used on private property?

Traffic-control signs may be used on suitable private roads and internal routes where a defined traffic-management arrangement is required. The sign should be appropriate for the site's traffic layout and requirements.

What should be considered when installing an R12 sign?

Visibility, sign positioning, road markings, stopping positions, intersection geometry, traffic movements and other traffic-control devices should be considered as part of the overall arrangement.

Does Signs4SA supply R12 Stop Signs?

Signs4SA can assist with R12 traffic-sign requirements for suitable road, commercial, industrial and private-property applications. Contact us to discuss your required specification, size, material and installation requirements.

Request a Quote for an R12 Stop Sign

The R12 Stop Sign is used to communicate a specific traffic-control arrangement where the relevant traffic movement is required to stop while the applicable left-turning traffic must give way to traffic with priority.

Correct sign selection, positioning, visibility and coordination with road markings are important when planning an R12 traffic-control installation.

Contact Signs4SA to discuss your R12 Stop Sign requirements, provide your specifications and request a quotation.

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More About Stop. But drivers turning left must give way / yield

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