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Table 1 Components of Total Brake Response Time

From: Osteoarthritis of the knee or hip significantly impairs driving ability (cross-sectional survey)

1. Reaction time 2. Movement time 3. Device response time
- Sensation - Lift the foot off the accelerator pedal and transfer it to the brake (Foot Transfer Time) - Time it takes the device to engage once activated
- Perception/recognition - Depress the pedal (Brake Pedal Travelling Time)  
- Situational awareness   
- Response selection  
- Programming  
  1. Total Stopping Distance = Reaction Distance + Braking Distance.
  2. Reaction Distance = Total Brake Response Time x Speed of the Vehicle.
  3. Adapted from Green, 2000.