关键词: 高速公路, 交通拥挤, 定量, 探测车

Abstract: The?quantification?of?traffic?congestion?is?critical?to?effective?freeway?traffic?management.?A?congestion?quantification?method?based?on?probe?vehicles?is?presented,?together?with?a?general?discussion?on?the?pros?and?cons?of?the?methodology.?In?the?mean?time,?cautions?in?field?implementation?of?the?method?are?put?forward

Key words: freeway , traffic congestion , quantification , probe vehicles ;