6.4 Influence of Perceptual Factors on Curve Driving Many motorists base curve speeds on their perception of road features and the apparent curve radius. The apparent curve radius is the radius as seen from the motorists’ perspective. Topography and road elements can...
6.2 Task Analysis of Curve Driving Designers must identify areas throughout curves where motorists have high workloads. This knowledge is useful for selecting design features that make driving tasks easer (e.g., clearer road delineation, wider lanes, longer radius) or...
