Seat belts and child seats in Baja California Sur (2026)
Last reviewed: 9 October 2026
In short: Drivers must use the seat belt and the duty extends to front-seat passengers. Children under 3 may not travel in the front seat, and the state mobility law sets a minimum measure that people under 12 ride in the rear seats in a child restraint.
| Rule | What applies |
|---|---|
| Seat belt compulsory in front seatsPassenger cars | Yes [1] |
| Seat belt compulsory in rear seatsPassenger cars | ⚠ Not yet verified |
| Child restraint required untilPassenger cars | ⚠ Not yet verified |
| Children in the front seatPassenger cars | Children under 3 may not travel in the front seat. [1] |
| Rear-facing child seat in front with active airbagPassenger cars | ⚠ Not yet verified |
Notes
- Article 52 of the Ley de Movilidad y Seguridad Vial requires the traffic regulations of the competent authorities to include this minimum measure. The Ley de Tránsito Terrestre itself extends the belt duty to front-seat passengers only.
- Under the minimum measure in article 52 of the Ley de Movilidad y Seguridad Vial, persons under 12 are also to ride in the rear seats. Municipal traffic regulations may add rules.
- The state law texts read do not state a rule on rear-facing child seats and an active front passenger airbag.
Sources
- H. Congreso del Estado de Baja California Sur: Ley de Tránsito Terrestre del Estado y Municipios de Baja California Sur (última reforma BOGE 31-01-2026) (consulted 9 October 2026) · all sources
National rules that also apply
These rules are set at national level in Mexico and apply here too, alongside the rules above. All national rules for Mexico
| Seat belt compulsory in front seats (Federal roads) | Yes (source: Diario Oficial de la Federación (Secretaría de Gobernación)) |
|---|---|
| Seat belt compulsory in rear seats (Federal roads) | Yes (source: Diario Oficial de la Federación (Secretaría de Gobernación)) |
| Children in the front seat (Federal roads) | In cars and vans (vagonetas), children under 7 must travel in the rear seats. (source: Diario Oficial de la Federación (Secretaría de Gobernación)) |
| Fine for not wearing a seat belt (Federal roads) | 20 to 25 times the daily quota (cuota diaria), which the regulation defines as one UMA. The same fine applies to a child under 7 in a front seat. (source: Diario Oficial de la Federación (Presidencia de la República)) |
More rules in Baja California Sur
- Car speed limitsBuilt-up areas: 30 km/h · Outside built-up areas (single carriageway): 80 km/h state highways; 50 km/h in urban zones
- Minimum age for a car driving licenceMinimum age for a car licence: 18 (municipal permit from 16)
- Drinking age and alcohol salesMinimum age to buy beer and wine: 18 · Minimum age to buy spirits: 18
Related pages
General information, not legal advice. Rules change: check the official source before you fly or ride.