Additional Info

Double Stop Sign at Dangerous Crossroads – R11 Road Sign

The Double Stop Sign at Dangerous Crossroads – R11 is a traffic-control sign used at particularly hazardous crossroads or intersections where a clear stop instruction is required. The sign arrangement provides a prominent warning and stop instruction to approaching road users at locations where additional attention to the stop requirement is necessary.

R11 is associated with traffic control at dangerous crossroads and should be used according to the applicable South African road traffic sign requirements and the requirements of the responsible road authority.

What Does the R11 Double Stop Sign Mean?

The R11 sign communicates a mandatory stop requirement to approaching drivers. Drivers must come to a complete stop at the applicable stopping point before entering or crossing the intersection and should only proceed when it is safe and permitted to do so.

The additional Stop Sign arrangement is intended to make the stop control more noticeable at a dangerous or difficult crossroads. Drivers should not treat the sign as a recommendation to slow down only; the applicable stop requirement must be followed.

Where Is the R11 Sign Used?

The R11 sign may be appropriate at crossroads where traffic conditions, visibility or the road layout require a clearly identifiable stop control.

Possible applications include:

• Dangerous crossroads
• High-risk intersections
• Intersections with restricted visibility
• Crossroads with unusual road layouts
• Junctions where approaching traffic needs a prominent stop instruction
• Locations where additional stop-sign visibility is required

The decision to install R11 should be based on the conditions at the particular intersection and the applicable traffic-management requirements.

Why Is a Double Stop Sign Used?

Some intersections can be difficult for drivers to assess because of road alignment, vegetation, buildings, roadside structures, approach angles or other visibility conditions.

A prominent double Stop Sign arrangement can help make the stop control easier for approaching road users to identify. However, effective traffic control also depends on appropriate sign placement, road markings, visibility and the overall design of the intersection.

R11 and the Stop Requirement

Drivers approaching an R11-controlled intersection must comply with the applicable Stop Sign instruction. A driver should come to a complete stop at the required stopping position and assess the traffic situation before proceeding.

Drivers should check for approaching vehicles, pedestrians, cyclists and other road users before continuing through the intersection.

R11 at Dangerous Crossroads

Crossroads can present additional traffic-management challenges because vehicles may approach from several directions. At locations identified as particularly hazardous, clear regulatory signage can help communicate the required traffic movement.

R11 can form part of a broader traffic-control arrangement that may also include road markings, warning signs, direction signs and other appropriate traffic-management measures.

R11 Sign Placement

The sign should be positioned so that approaching drivers can clearly see the stop instruction before reaching the intersection.

Placement should take account of:

• Approach speed
• Available sight distance
• Road alignment
• Intersection geometry
• Position of the stopping point
• Pedestrian facilities
• Other road signs and markings

The sign should remain unobstructed by vegetation, buildings, parked vehicles, advertising structures or other objects that could reduce visibility.

R11 and Stop Lines

Where a stop line is provided with the applicable stop control, drivers should stop at the designated stopping position. The relationship between the Stop Sign, stop line and intersection should be clear to approaching road users.

Road markings and signs should be maintained so that the stopping requirement remains clear and visible.

R11 Sign Visibility and Maintenance

Regular inspection of traffic signs can help identify problems such as fading, physical damage, corrosion, loose mounting hardware or obstructions.

Where the sign is installed outdoors, suitable materials and mounting structures should be selected for the conditions at the location. Reflective materials may be used where required to provide appropriate visibility during low-light conditions.

R11 Signs in South Africa

R11 forms part of the South African road traffic sign system. Public-road traffic signs should be selected, positioned and installed according to the applicable road traffic sign requirements and the instructions of the responsible road or traffic authority.

For private roads, commercial properties, industrial sites, residential estates and other controlled areas, similar Stop Sign arrangements may be used as part of internal traffic management, subject to the requirements applicable to the particular property.

R11 at Private Roads and Properties

Businesses and property owners may need prominent stop controls at internal crossroads, access roads and vehicle intersections.

Potential applications include:

• Industrial parks
• Warehouses and logistics facilities
• Business parks
• Shopping centres
• Residential estates
• Large parking facilities
• Factories
• Private developments

Private-property traffic signage should form part of the site's overall traffic-management arrangement and should take account of applicable requirements.

Benefits of Clear R11 Traffic Signage

• Provides a prominent stop instruction at a dangerous crossroads.
• Helps approaching drivers identify the required traffic control.
• Can improve the visibility of the stop instruction at difficult intersections.
• Supports organised traffic movement through hazardous crossroads.
• Can be used together with road markings and other traffic-management signs.
• Provides a clear regulatory message to approaching road users.

Frequently Asked Questions About R11

What does R11 mean?

R11 refers to the Double Stop Sign at Dangerous Crossroads traffic-sign arrangement used for traffic control at a hazardous crossroads.

Why are two Stop Signs used?

The arrangement provides additional visual prominence for the stop instruction at a location where the intersection or traffic conditions require particularly clear traffic control.

Do drivers have to stop at an R11 sign?

Yes. Where the R11 arrangement imposes a Stop Sign instruction, drivers must come to a complete stop at the applicable stopping point before proceeding when it is safe and permitted to do so.

Where can R11 signs be installed?

R11 can be used at dangerous or difficult crossroads where the responsible road authority determines that this type of traffic control is appropriate.

Can R11 be used with other road signs?

Yes. Other warning, regulatory, directional and information signs, as well as appropriate road markings, may be used where additional traffic-control information is required.

Can R11 signs be used on private property?

Appropriate Stop Sign arrangements can be used on private roads and internal traffic routes, subject to the property's traffic-management requirements and any applicable regulations.

Can Signs4SA supply R11 signs?

Signs4SA can assist with R11 Double Stop Sign at Dangerous Crossroads and other regulatory, warning and traffic-management signage. Provide the required sign code, dimensions, quantity and installation requirements when requesting a quotation.

Request a Quote for R11 Double Stop Signs

Need R11 Double Stop Signs for a dangerous crossroads, intersection, industrial property, private development or traffic-management project?

Contact Signs4SA to discuss your signage requirements, provide your specifications and request a quotation.

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More About Two stop Sign

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