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Classification of braking types according to the longitudinal deceleration of the vehicle.
| Vehicle Speed (km/h) | Maintained Braking | Progressive Braking | Emergency Braking | |||
|---|---|---|---|---|---|---|
| From (m/s3) | To (m/s3) | From (m/s3) | To (m/s3) | From (m/s3) | To (m/s3) | |
| 20 | 0 | 5 | 5 | 6 | 6 | < |
| 30 | 0 | 7 | 7 | 8 | 8 | < |
| 40 | 0 | 10 | 10 | 11 | 11 | < |
| 50 | 0 | 12 | 12 | 14 | 14 | < |
| 60 | 0 | 14 | 14 | 17 | 17 | < |
| 70 | 0 | 18 | 18 | 20 | 20 | < |
| 80 | 0 | 19 | 19 | 21 | 21 | < |
