How to avoid Wellington traffic

• The approach corridors (State Highway 1 Ngauranga to Aotea, SH2 Hutt Road): delay builds outward from the city, so it looks small at the moment it starts and large by the time you arrive.
• The tunnels (Terrace Tunnel, Mount Victoria Tunnel): single points of failure. A closure or incident there has no cheap alternative, only long ones.
• The through-traffic route (Remutaka and Ngauranga Gorge): holiday and freight flows use the same road as local trips, so a normal Friday can behave like an incident.

On working days Wellington has two firm peaks: roughly 07:00–09:00 inbound and 16:00–18:30 outbound. Around those windows, moving your departure by twenty to thirty minutes changes your trip far more than any clever detour, because the main corridors have no spare capacity to route around. Outside the peaks the risk is not volume but events: a closure, roadworks, weather, or a match or festival day.

Wellington has no general low-emission zone today, but local access restrictions, bus lanes and events still close streets that a route planner will happily suggest.

• Volume, still building: leaving later is usually cheaper than any alternative route, because the alternatives feed the same corridors.
• Incident or closed carriageway: this does not dissolve on its own. A genuine detour or turning back is the honest answer, not waiting it out in the queue.
• Tunnel, bridge or lane closure: expect the whole network to redistribute. Check the alternative before committing, including whether it is legal for your vehicle.

That is what the pre-drive check does. ExitMe.app reads live traffic, weather warnings and official incident feeds for your own route through Wellington, builds real alternatives around the problem, checks them against your vehicle and the access rules, and then commits to one answer: leave now, wait, turn back, or take a safe stop. When leaving now is right, the verified route hands straight off to Google Maps.