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Driving in Northern Mariana Islands
The rules of the road as our desk recorded them, native unit first.
Driving side
Right
Speed limits
40 / 56 / 56 km/h · 25 / 35 / 35 mph
urban / rural / motorway
International permit (IDP)
Not required
A valid national licence is accepted for short visits; US licences indefinitely.
Blood alcohol limit
0.08% (0.8 g/l)
Tolls
None.
Headlights
Not required by day.
Child seats
Required, US rules.
Right-hand traffic with US signage and a 35 mph maximum. Saipan's roads are in variable condition, and the tracks to some northern sites need clearance. Tinian and Rota have almost no traffic at all.