Pick a scenario
You're approaching a one-lane bridge. Tap the scenario closest to yours.
The actual rule (NZTA 8.4)
Rule 8.4 of the NZ Road Code says:
When the road narrows and only one vehicle at a time can pass, and the road is not controlled by traffic signals or signs, the vehicle driver who reaches the narrow section first has the right of way. If both reach at the same time, the driver going uphill has the right of way. If both are on the level, the driver of the larger vehicle has the right of way. If both vehicles are similar, the driver on the left gives way.
Practical takeaways
- Reduce speed well before the bridge. Bridges are narrow, sometimes cambered the wrong way, and can have stock or pedestrians on the footpath.
- If you see a sign, the sign wins. A "Give Way" sign on one end means that side always gives way, regardless of who arrived first.
- If no sign, slow down, make eye contact with the other driver, and yield to whoever got there first. The oncoming driver may also be confused; a wave-through is friendly.
- Don't enter unless you're sure. It is better to stop and wait 20 seconds than to meet a truck halfway across.
- On steep hills, the downhill vehicle often yields because stopping uphill on a one-lane bridge is harder than stopping on the flat.
Limitations
- Tourists are not exempt from the rule. If you cause a crash by failing to give way, you are at fault.
- Local courtesy varies: some regions informally give way to larger vehicles or to locals. The road code is the legal fallback.
- Some one-lane bridges have a sensor light. Treat the light as authoritative.
FAQ
Q: What if the oncoming driver waves me on?
A: Accept the wave, but only enter if you are sure the other vehicle has actually stopped. Some drivers wave habitually without intending to give way.
A: Accept the wave, but only enter if you are sure the other vehicle has actually stopped. Some drivers wave habitually without intending to give way.
Q: Do cyclists have priority on one-lane bridges?
A: No. Cyclists are required to give way to motor vehicles on one-lane bridges where no sign is present, although courtesy often goes the other way.
A: No. Cyclists are required to give way to motor vehicles on one-lane bridges where no sign is present, although courtesy often goes the other way.
Q: Are these bridges signposted in advance?
A: Yes, on state highways, you'll see a small yellow diamond with a narrow bridge symbol 100–200 m ahead.
A: Yes, on state highways, you'll see a small yellow diamond with a narrow bridge symbol 100–200 m ahead.