GG 116 - Requirements and Guidance on Temporary Traffic Management Short-Term Lane Closures for Relaxation Works, Types 0, 1, and 2 in the UK

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Temporary traffic management (TTM) plays a crucial role in maintaining road safety during short-term lane closures in the UK. The GG 116 document, published by Highways England, provides essential guidance on implementing short-term lane closures for relaxation works. This article explores the key requirements and recommendations outlined in GG 116, ensuring compliance with UK road management standards while enhancing safety for road users and workers.

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Understanding Short-Term Lane Closures for Relaxation Works

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Short-term lane closures are essential for minor maintenance activities that do not necessitate prolonged traffic disruption. GG 116 categorizes these closures into three types:

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• Type 0: Closures lasting under 5 minutes.
• Type 1: Closures lasting up to 20 minutes.
• Type 2: Closures lasting up to 45 minutes.

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Each type has specific traffic management requirements to mitigate risks and ensure minimal disruption.

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Key Guidelines from GG 116

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1. Planning and Risk Assessment

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Before implementing any lane closure, a thorough risk assessment must be conducted to ensure the selected method minimizes risks As Low As Reasonably Practicable (ALARP). The assessment should include:

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• Traffic volume analysis
• Work duration estimation
• Contingency planning for delays

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2. Use of Impact Protection Vehicles (IPVs)

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Impact Protection Vehicles (IPVs) are a critical component of short-term lane closures. These vehicles:

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• Protect road workers from live traffic
• Serve as visual cues for approaching drivers
• Are equipped with crash cushions to absorb impact

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3. Signage and Traffic Control

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Proper signage must be placed at designated distances to alert motorists about the closure. The Traffic Signs Manual Chapter 8 (TSM Chapter 8) outlines the placement of:

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• Warning signs (e.g., 'Workforce in Road' sign 800m before the closure)
• Temporary lane availability signs ('wicket' signs at 400m and 800m before the closure)
• Cones for lane delineation (9m spacing for a maximum distance of 36m)

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4. Implementation of Lane Closures

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Each type of lane closure follows a structured approach:

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Type 0: Quick Maintenance Tasks (<5 minutes)

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• IPV stationed in the live lane
• Optional ‘Workforce in Road’ sign

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Type 1: Routine Maintenance (<20 minutes)

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• IPV stationed in the live lane
• One lane closure sign ('wicket' sign at 400m)
• 'Workforce in Road' sign 800m before closure

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Type 2: Extended Maintenance (<45 minutes)

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• IPV in the live lane
• Two lane closure signs ('wicket' signs at 400m and 800m)
• Work zone delineation with cones

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Benefits of Following GG 116 Guidelines

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Implementing GG 116 recommendations ensures:

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• Enhanced Worker Safety: Minimizes exposure to live traffic
• Reduced Traffic Disruption: Efficient planning reduces congestion
• Legal Compliance: Aligns with Highways England standards

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Conclusion

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Temporary traffic management is a vital aspect of road maintenance, and GG 116 provides a structured framework for short-term lane closures in the UK. By following its guidelines, road operators can ensure safety, efficiency, and compliance in traffic management practices.

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