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Steering, Wheels and Tyres

Contran Resolution No. 913/2022

Regulates the Use of Tires on Vehicles.

Contran Resolution No. 954/2022

Requires the Use of Stability Control Systems in Vehicles.

Contran Resolution No. 963/2022

Establishes the Minimum Safety Requirements for Special Wheels of Vehicles.

Consultation of February 6, 2026

Update to TSD 139 on Parasitic Tread Block Chunking (PTBC).

Background: Consultation of February 6, 2026

Background: Parasitic Tread Block Chunking (PTBC).

TSD 139 Rev 1 Proposal

New Radial Ply Tires for Motor Vehicles with a GVWR of 4,536kg or Less.

Motor Vehicle Tire Safety Regulations

Motor Vehicle Tire Safety Regulations (SOR/2013-198).

TSD 126

Electronic Stability Control Systems for Light Vehicles.

CMVSS 136

Electronic Stability Control Systems for Heavy Vehicles.

CMVSS 109

New Tires and Certain Speciality Tires.