This paper draws attention to the psychological factors of a traveler and discusses his choice of the optimal travel path from a number of alternative routes. We assume that the psychological cost of a person traveling along a route is a function of the straightline distance between his present position and destination. Under the "rectangular" path hypothesis, we have shown, people prefer to traverse first the relatively larger segment of the path, and in case of the "triangular" path they prefer a "step" route. We have derived conditions explaining this behavior.
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