Potential capacity at an unsignalized intersection can be described as a conditional expectation from which the capacity equations for the most common headway distributions are easily obtained and each term in the equation finds an interpretation. The movement capacity of Rank 3 streams is adjusted for both Rank 2 queues and the modified headway distribution and lower flow rates during the free-departure periods of Rank 2 streams. The resulting movement capacities are higher than those of the Highway Capacity Manual (HCM 2000), especially at low major-stream flow rates. The Rank 4 stream adjustment factors are shown to be multiplicative even across streams of different ranks. The extra correction in HCM 2000 is, in the light of this theory, unnecessary.
Movement Capacity at Two-Way Stop-Controlled Intersections
Transportation Research Record
Transportation Research Record: Journal of the Transportation Research Board ; 1883 , 1 ; 198-202
2004-01-01
Article (Journal)
Electronic Resource
English
Movement Capacity at Two-Way Stop-Controlled Intersections
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