Who needs NRSWA training?

Key facts

• NRSWA applies to everyone working in or near a UK public highway on behalf of a utility, contractor or local authority.
• That includes the carriageway, footway, verge, lay-by and the subsoil under them.
• Operatives need Operative units for the work they do. Supervisors need Supervisor (S-prefix) units for the work they oversee.
• A site must have at least one trained Supervisor in charge of the trained Operatives.
• The highway authority can stop active works on site if competence cannot be evidenced.

Utility operatives

The largest NRSWA audience is utility operatives. Gas, water, electricity, telecoms and fibre engineers spend most of their working week opening, working in and reinstating UK highways. Their employer, whether that is the utility company itself or one of its framework contractors, will require a current NRSWA Streetworks card before deploying them to highway works. Typical units held by a utility operative are Unit 1 (Cat & Genny), Unit 2 (Signing, Lighting and Guarding) and several of Units 3 to 9 covering excavation and the specific reinstatement type used on the job. See the full unit list.

Civils and ground-workers

Civils contractors digging service connections, drainage runs or trenches on the public highway are caught by NRSWA in the same way utility operatives are. The Act does not distinguish between “utility” and “civils”: what matters is whether the work happens in or near a public highway on behalf of someone with the right to open it. Civils operatives on housing developments often need a smaller subset of Operative units (typically Unit 1, Unit 2 and the relevant reinstatement units) plus a separate EUSR National Water Hygiene card if any work is on potable water connections.

Local authority highway maintenance teams

Council and unitary authority highway crews working under permitted development rights also need the appropriate Operative and Supervisor units. Highway maintenance leans heavily on Unit 1 (Cat & Genny), Unit 2 (SLG) and the reinstatement units (Units 4–9) covering all the materials a maintenance team handles in a year.

Reinstatement sub-contractors

Reinstatement is the final surface make-good after the opening is closed. It is often done by a specialist sub-contractor rather than the original utility operative. Those sub-contractors still need NRSWA training, focused on the specific reinstatement units they cover (typically Units 5 to 9 across bituminous, concrete, modular and cold-lay materials). A reinstatement crew that arrives on a highway without the right Operative unit cannot complete the works compliantly, and the original works notice can be revoked by the highway authority.

Supervisors

Every site needs at least one NRSWA-trained Supervisor in charge of the trained Operatives. The Supervisor signs the works off as compliant with NRSWA and the SROH, and is the named contact for the highway authority. Supervisors hold S-prefix units that map to the Operative units (S1, S2, S3–S9, S10 Site Inspection). The Supervisor units are assessed at a higher level. Supervisors who came up through the Operative ranks usually upgrade unit-by-unit to the Supervisor side; new supervisors can take Supervisor units from scratch. See our Supervisor course for the typical structure.

Roles that do not need full NRSWA training

Not every site role is caught by NRSWA. The Act applies to people doing the streetworks work itself or supervising it. Delivery drivers dropping materials kerbside, surveyors taking measurements without opening the highway, and general site management staff who do not enter the works area or sign off works do not strictly need the NRSWA Streetworks card. Many employers still train surveyors and project staff on Unit 1 (Cat & Genny) because the underground services awareness is useful across the business. Single-unit training is widely available and cost-effective; see our N304 Cable Avoidance Tool course for the NPORS equivalent.

The legal and commercial consequences of not training

For employers, deploying untrained operatives or supervisors to UK highway works is a direct breach of the New Roads and Street Works Act 1991. Consequences typically run in this order:

• Stop work. The highway authority inspector can halt active works until competence is evidenced.
• Fixed Penalty Notice or fine. Issued to the employer for the compliance failure.
• Revoked works notice. The notice that authorised the opening can be withdrawn, requiring a re-notification with the full lead time before work can restart.
• Insurance gap. Insurance cover for highway works typically requires operatives to be trained. An untrained operative is uninsured for that work.
• Prosecution. For repeated or serious failures, the HSE and the highway authority can prosecute.

The training itself is comparatively cheap. Repeat enforcement is not.

Related questions

• What is NRSWA?
• What’s the difference between NRSWA Operative and Supervisor?
• What units does NRSWA training cover?
• How long does NRSWA training take?
• How much does NRSWA training cost?

Quick answers to related questions

What is NRSWA?

NRSWA is the New Roads and Street Works Act 1991, the UK law that governs anyone carrying out utility or excavation work in or near a public highway. NRSWA training and the Streetworks card prove the operative or supervisor is trained.

What’s the difference between NRSWA Operative and Supervisor?

An Operative does the practical streetworks (excavation, signing, reinstatement) and holds Operative units. A Supervisor monitors and signs off Operative work on site and holds S-prefix Supervisor units, which are assessed at a higher level.

Do I need NRSWA training as a project manager?

Strictly, only if you carry out or supervise streetworks tasks yourself. Many employers train project staff on Unit 1 (Cat & Genny) anyway because underground services awareness is useful site-wide. Full Operative training is not required for desk-based or planning roles.

Last updated: 2026-05-21. Reviewed by the MPTT NRSWA training team, SQA-registered instructors and assessors.