National Highways Gives Exclusive Glimpse into Emergency Exercise in Major West Sussex Tunnel 

National Highways - emergency exercise in major West Sussex tunnel
National Highways and other agencies carried out a lifelike emergency exercise in the Southwick tunnel last night

National Highways – the Government company which operates and maintains the strategic road network – has given an exclusive peek into an emergency exercise carried out in the Southwick Tunnel in West Sussex. 

The drill – codenamed Exercise Higgins – involved a road traffic accident and an electric vehicle fire, was carried out last night (Thursday 29 September) in the A27 tunnel, which has long been subject to speculation that it is the entrance to a secret military bunker.  

Over 100 people were involved in this multi-agency emergency exercise. As well National Highways, participants from West Sussex Fire Rescue Service, East Sussex Fire Rescue Service, the Local Authorities and the Environment Agency also took part.  

Exercises such as this are necessary as part of safety and business continuity plans and require the tunnel to be closed to make it as realistic as possible. All agencies tested their individual and joint operational procedures, operations and life safety systems, as well as other elements such as smoke detectors, alarms, fire, evacuation and sprinkler systems, both on site and remotely. 

John Nicholas, Southwick Tunnel Manager at National Highways said: “The A27 Southwick Tunnel live exercise is one of the many opportunities that National Highways takes to work with local emergency services, local authorities and stakeholders to test, validate and train in a controlled environment on the strategic road network. The planning and preparation for these events takes many hours of dedication from each participating organisation which leads to improvements in training, refinements in procedures, reprioritisation of investment works with better working knowledge and stronger working relationships for all involved.” 

The Southwick Hill Tunnel, one of seven road tunnels in the South East operated by National Highways, is a 490-metre twin bore road directed to the north of Southwick, opened in early 1996 as a part of the A27 Brighton bypass and carries the road under Southwick Hill. 

For more information and the latest travel alerts, please visit www.nationalhighways.co.uk/travel-updates/travel-alerts/ or call 0300 123 5000. 

Local Twitter services are also available at @HighwaysSEAST. 

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