Illinois Seatbelt & Child Seat Laws
Primary vs secondary seatbelt enforcement, which seats are covered, and child-seat / booster age and weight thresholds.
- Seatbelt law enforcement
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primary
Source: Illinois Rules of the Road 2025, Chapter 4: Safety Belt Law, p. 23
- Seats required to belt
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all seats
Source: Illinois Rules of the Road 2025, Chapter 4: Safety Belt Law, p. 23
- Child seat — age threshold
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under 8
Source: Illinois Rules of the Road 2025, Chapter 4: Child Passenger Protection Act, pp. 23-24
- Booster seat — weight threshold
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40 pounds
Source: Illinois Rules of the Road 2025, Chapter 4: Child Passenger Protection Act, pp. 23-24
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