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FREE FLOW SPEED IN THE FUNCTION OF WEATHER CONDITIONS ON TWO-LANE ROADS
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Traffic flow theory establishes two basic terms to define traffic flow speed: space mean speed and time mean speed. Research on how speed in free traffic flow depends on the size of longitudinal gradient is related to the need for determining travel time and operating costs of road users. According to HCM manuals, flow speed has been deprived from its primary role in defining level of service, while domestic recommendations give flow speed the role of primary indicator. Subject matter of this
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