A default 40 km/h (25 mph) speed limit applies through all villages outside town centers.
A default 100 km/h speed-limit (62 mph) applies to highways and roads, unless otherwise indicated by speed control signage.
A 25 km/h (15 mph) speed-limit applies on a public street at the approaches to, and on intersections.
A 25kmh (15 mph) speed-limit is applied to signposted school zones, or playgrounds.
[3] Speed restriction signage used in PNG is to the international system in design specification.