If your business works on the UK road network, the request usually arrives by email from a client or appears in a tender document: evidence of National Highways Sector Scheme certification. For a lot of SMEs that is the first proper look at NHSS, and the first surprise is that it is not a single qualification. It is a family of activity-specific schemes, each one built on the ISO 9001 framework, and which ones apply to you depends entirely on the work you carry out.
This article covers what the schemes are, who needs certification, how the training side differs from the certification side, and where Lantra sits in the structure. It stays within what the published sources say. Where the detail depends on your specific activity, check the National Highways guidance and the scheme documents for the work you actually do.
What National Highways Sector Schemes Actually Are
National Highways Sector Schemes are bespoke integrated management schemes that sit within an ISO 9001 framework. They were developed in partnership with all sides of the highways industry so that the international quality management standard could be interpreted as it applies to a particular activity or industry in the United Kingdom.
Two points follow from that definition. The first is that NHSS is not a rival to ISO 9001. It interprets the standard for a defined activity, which is why the schemes are described as complementary to the quality management standard rather than a replacement for it. They were developed with the support of UKAS.
The second point is that the requirements are activity-led. A scheme describes what a management system has to cover for a particular type of highways work, so two contractors working on the same stretch of road can be certified against different schemes. That is also why one business can hold several certifications at once.
Who Needs NHSS Certification?
The schemes apply to organisations working on the UK road network. The clearest statement of obligation is that if your organisation provides services covered by NHSS to National Highways under the Specification for Highways Works, you must be certified under all the relevant schemes for the work you are carrying out.
In practice, the population of businesses that ends up needing certification is wider than the headline suggests:
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Principal contractors delivering work directly to National Highways under the Specification for Highways Works.
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Subcontractors whose services fall within the scope of a scheme, because the certification requirement is typically passed down the supply chain rather than stopping at the top.
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Businesses told by a client or a tender that certification is a condition of being considered for the work.
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Organisations whose staff need to demonstrate competence for work on or near the road, which is a training obligation rather than an organisational certification but tends to arrive at the same time.
Because the schemes are activity-specific, the honest answer to "who needs them" is: whoever carries out work covered by a scheme, and anyone whose customer requires it. Read the scheme scope for your activity and confirm with National Highways where the boundary sits for your particular services rather than assuming a single certification covers everything.
NHSS 12 and Temporary Traffic Management
NHSS 12 is the scheme that most people encounter first, and it defines the required training and competence for individuals working on or near UK roadways. Temporary traffic management is the activity usually associated with it.
This is where a lot of confusion starts. NHSS 12 imposes obligations at the level of individual competence, not just the organisational management system. A company can have a well-built quality management system and still fall short if the people setting out the traffic management cannot evidence the required training. Conversely, a well-trained workforce does not make an organisation certified. The two obligations run alongside each other and are assessed differently.
Where Lantra Fits In
Lantra publishes the NHSS temporary traffic management training packages that providers deliver against. Those packages set out the structure that providers work to, and each Provider Manager and Internal Verifier has defined responsibilities within that structure.
On the delivery side, courses in the Lantra highways sector scheme category include the 12D Temporary Traffic Management Basic Course, available as classroom-based and online classroom options. The stated aim of that course is to give learners the knowledge they need to become a competent member of a temporary traffic management team.
So Lantra's role is on the training and competence side: publishing the packages, approving the providers and supporting the courses that operatives attend. Lantra is not the body that certifies your organisation's management system against a sector scheme. That is a separate certification route, and treating the two as interchangeable is one of the more common misunderstandings in this area.
Certification and Training: Two Separate Obligations
The table below sets out how the two sides differ, based on the published sources.
Aspect | Scheme certification | Scheme training |
|---|---|---|
What it covers | The organisation's management system for a defined activity, within an ISO 9001 framework | The competence of individuals working on or near the road |
Who holds it | The business | The individual operative |
Who is involved | A certification body assessing against the relevant scheme | Training providers delivering Lantra-published packages, such as the 12D Temporary Traffic Management Basic Course |
Typical trigger | Working under the Specification for Highways Works, or a client or tender requirement | Staff carrying out temporary traffic management or other work covered by the scheme |
Keeping the two apart matters when you plan. Buyers sometimes ask for "NHSS" without saying which side they mean, and answering the wrong question costs time. Ask whether they want evidence of your scheme certification or evidence of operatives' competence, and get it in writing.
What Preparing for Certification Involves
Since the schemes sit within an ISO 9001 framework, the preparation work follows the shape of an ISO 9001 project. That means a gap analysis against the requirements that apply to you, a documented management system covering the processes the scheme expects, internal audit, management review and then the external certification audit.
The part that catches organisations out is the interpretation. Generic ISO 9001 documentation will not necessarily address the activity-specific requirements a scheme sets out. If you have built a system for another part of your business and simply reused it, the gap analysis is where that shows up.
Businesses already holding ISO 9001 generally find this is an extension rather than a fresh build, because the underlying structure is familiar. Businesses starting from nothing should expect the usual sequence of documentation, embedding and evidence gathering before an external audit makes sense.
Questions Worth Asking Before You Commit
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Which schemes cover the services we actually provide, and are we sure none of our other activities fall inside a different scheme?
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Does the client or tender specify certification, training evidence, or both?
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Which of our operatives need training under the relevant scheme, and who holds the current evidence?
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Is the certification body able to certify against the specific scheme we need, and can they confirm it in writing?
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Does our existing management system already cover the activity-specific requirements, or does it need interpreting for the scheme?
Working through those five questions before you spend anything usually reveals whether you are facing a documentation exercise, a training exercise, or both at once.
How ISO Consultancy Fits Alongside NHSS
At Smart Quality Services Ltd we work with UK businesses on ISO management systems, from gap analysis through to the external certification audit, on a fixed-fee basis. NHSS certification is a different scheme with its own activity-specific requirements, so it is not something we present as identical to an ISO 9001 project. What we can say is that because the sector schemes are built on the ISO 9001 framework, the underlying management system work is familiar ground, and businesses that already hold ISO 9001 are usually closer to readiness than they think.
If you are unsure whether your obligation is certification, training or both, start by confirming the position with National Highways and the relevant scheme documents. Getting the scope right at the beginning is cheaper than rebuilding a management system around the wrong scheme.
Frequently Asked Questions
Is NHSS certification the same as ISO 9001?
No, though the two are closely related. National Highways Sector Schemes are bespoke integrated management schemes within an ISO 9001 framework. They interpret the international quality management standard as it applies to a particular activity within the highways industry, so they are complementary to ISO 9001 rather than a straight substitute for it.
Does every road contractor need NHSS certification?
Not every contractor, but anyone providing services covered by a sector scheme to National Highways under the Specification for Highways Works must be certified under all the relevant schemes for the work they carry out. Subcontractors can also be required to hold certification through the supply chain. Check the scheme scope for your activity.
What does NHSS 12 cover?
NHSS 12 defines the required training and competence for individuals working on or near UK roadways, which is why it is closely associated with temporary traffic management. It places obligations on individual competence rather than only on the organisation's management system, so the evidence you need looks different from a certification audit.
Who are Lantra in this context?
Lantra publishes the NHSS temporary traffic management training packages that providers deliver against, and Provider Managers and Internal Verifiers work within that structure. Courses in the Lantra highways sector scheme category include the 12D Temporary Traffic Management Basic Course, offered as classroom-based and online classroom options.
Where should I check which scheme applies to me?
Start with the National Highways guidance on sector scheme certification for contractors and subcontractors, then read the documents published for the specific scheme covering your activity. Because the schemes are activity-specific, the answer depends on the work you carry out rather than the size or type of your business.
