US graduated driver licensing laws:
Intermediate stage —
restrictions on driving while unsupervised
Driving unsupervised can be restricted in high-risk situations.
OPTIMAL PROVISIONS FOR INTERMEDIATE STAGE
Minimum age: 16, 6 months
Unsupervised driving prohibited: 9/10 pm–5 am
Restriction on passengers: no more than 1 teenage passenger
Map of night restriction start times
(hover over the map for more detail)