FAQ

What is the Sight Distance?
Sight Distance is s the minimum distance between two vehicles moving along a curve, when the driver of one vehicle can just see the other vehicle on the road. Sight Distance is usually measured using the Meter for Length. Note that the value of Sight Distance is always negative.
Can the Sight Distance be negative?
Yes, the Sight Distance, measured in Length can be negative.
What unit is used to measure Sight Distance?
Sight Distance is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Sight Distance can be measured.
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