Site Traffic Management Supervisor – Category A/B (Non Practicing)

The STMS Cat A/B NP course is intended for those workers needing to understand those workers needing to prepare for managing Temporary Traffic Management works on category A and B roads.

  • A category A road is defined as a single lane or multi-lane with speeds less than or equal to 60km/h;
  • A Category B road is single lane speeds 70km/h or more, and includes passing lanes (but not high speed multi-lane or motorways or expressways).

It is assessed through US 31962 and is a Waka Kotahi NZTA Warranted role.

NOTE: In order to manage work sites you will then need to pass the STMS A and/or B Practicing assessment

Who is it for ?

The STMS Cat A/B NP course is for anyone new to the STMS role who has achieved STMS-U competency and is intending to be the STMS on category A/B roads.

You will be trained on the key elements for these roads, leading to the skills to competently manage worksites under the next level – the full STMS.

Any there any prerequisites ?

The STMS-U course for any STMS level. 

The STMS-U is also required for any L1 or L2/3 STMS expired for more than 12 months.


One day of theory for Cat A.  We normally follow this the next day with ½ day theory for Cat B. 

While we can separate A and B, in the Aotearoa/New Zealand situation we recommend most candidates do both A and B courses, on consecutive days.

What does it teach you to do ?

Theory and processes relevant for the role Category A/B specific information for:

  • Static operations
  • Mobile operations and closures
  • Semi static operations and closures
  • Inspections/special activities
  • Equipment
  • Emergency and incident response scenarios – contingencies
  • Hazard, risks and their mitigations for these road environments
  • Crew and visitor briefings
  • Understanding and following the appropriate TMP, and recognising when  or if the TMP is not appropriate, and what to do about it!

Upcoming courses

There are no upcoming events.