The transition from CoPTTM to NZGTTM is happening at different speeds across New Zealand. While NZTA has set the direction nationally, each Road Controlling Authority (RCA) — councils, Auckland Transport, and other road managers — is responsible for setting its own transition timeline.
If you work across multiple regions, this matters. Submitting a CoPTTM-based TMP to an RCA that's already switched could see your application declined.
Here's what we know about key RCAs and where they stand.
National Baseline: NZTA State Highways
NZTA set the standard for everyone else:
- 1 November 2024 — CoPTTM retired and no longer updated
- 1 October 2025 — NZGTTM mandatory for all NZTA maintenance and capital projects
- State highway works must now follow NZGTTM
If you work on state highways, you should already be operating under NZGTTM.
Auckland Transport
Auckland Transport has been one of the more proactive RCAs in communicating its transition timeline.
- Notified the industry in July 2025 of its transition plan
- Accepting either CoPTTM or NZGTTM TMPs in the interim (with risk assessment required for CoPTTM submissions)
- From 1 July 2026 — all new TMP applications assessed using NZGTTM only
- Existing contracts have until 1 July 2027 to roll over to NZGTTM
If you work in Auckland, you have until mid-2026 for new applications — but the clock is running.
Matamata-Piako District Council
One of the earlier councils to publish a clear timeline:
- Accepting CoPTTM or NZGTTM TMPs until 30 June 2026
- From 1 July 2026 — NZGTTM only
- Any approved CoPTTM-based TMPs must be migrated to NZGTTM by 1 July 2026
Queenstown Lakes District Council (QLDC)
QLDC has taken a more flexible approach, given its unique position as the sole RCA for local roading corridors in the district:
- Currently accepting either CoPTTM or NZGTTM-based TMPs
- Recognising existing warrant card expiry dates as proof of competency until they expire
- Longer-term timeline to be confirmed — check directly with QLDC for the latest
Other Councils
Most other RCAs across New Zealand are on a transition path, but timelines vary. Some are already requiring NZGTTM; others are still accepting CoPTTM with a risk assessment attached.
The safest approach: check with your local council before submitting your next TMP. Most council websites now have a page outlining their TTM transition status. If they don't, a quick call to their roading team will clarify where they stand.
What to Do If Your Council Still Accepts CoPTTM
Even if your local RCA still accepts CoPTTM-based plans, it's worth starting to transition now for two reasons:
- The deadline is coming regardless — you'll have to make the switch eventually
- Many councils require a risk assessment even with CoPTTM submissions, which means you're already doing part of the NZGTTM work anyway
Getting comfortable with the risk-based approach now — before the deadline pressure hits — will put you ahead of competitors who leave it to the last minute.
A Note on TMP Drawings Under NZGTTM
Under NZGTTM, your TMP drawing remains important — but it works alongside a risk assessment rather than as a standalone document. The drawing should clearly show how your layout controls the risks identified in the assessment.
If you're drawing TMPs digitally, make sure your tool supports the flexibility to create site-specific layouts rather than just standard templates. NZGTTM rewards TMPs that reflect the actual site, not a generic setup.
TMPGen is a NZ-built TMP drawing tool. Draw professional, site-specific TMP diagrams on aerial maps using NZ-standard signs and devices — built for the way NZ TTM contractors actually work. Start your free 7-day trial.