MARKOV MODELS FOR MULTI-LANE FREEWAY TRAFFIC
A SIMPLE MACROSCOPIC STOCHASTIC MODEL OF THE TRAFFIC FLOW ON A TWO-LANE UNIDIRECTIONAL FREEWAY WAS STUDIED. THE SYSTEM WAS ASSUMED CLOSED. THE MODEL MIGHT DESCRIBE A BELTWAY ON WHICH ENTERING AND EXITING ACTIVITY WAS RELATIVELY MINOR AS COMPARED TO THE MAIN STREAM OF TRAFFIC. IT MIGHT DESCRIBE THE FLOW OF TRAFFIC ON A LONG STRETCH OF ROAD, PROVIDED THAT THE NUMBER OF VEHICLES ON THAT PART OF THE ROAD WAS ESSENTIALLY CONSTANT AND THE ROAD WAS RELATIVELY HOMOGENEOUS. THE MODEL WAS MACROSCOPIC IN THE SENSE THAT IT DID NOT TAKE INTO ACCOUNT THE INDIVIDUAL DRIVER'S BEHAVIOR PATTERN, THE DETERMINANTS OF HIS BEHAVIOR, I.E. THE LOCAL CONDITIONS THAT PREVAILED AT ANY GIVEN MOMENT AT THE POINT OF THE ROAD HE WAS TRAVELLING. IT PROVIDED FOR AN OVERALL PICTURE OF THE TRAFFIC FLOW UNDER STEADY-STATE OR EQUILIBRIUM CONDITIONS. ESTIMATES WERE OBTAINED FOR THE NUMBER OF LANE CHANGES DURING A TIME UNIT, FOR THE FREQUENCY DISTRIBUTION OF THE NUMBER OF VEHICLES ON EACH LANE--AND FOR THE AVERAGE SPEED OF ALL THE VEHICLES IN THE SYSTEMS. /AUTHOR/
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Supplemental Notes:
- Vol 4, No 3, PP 259-266, 4 REF
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Corporate Authors:
System Development Corporation
2500 Colorado Avenue
Santa Monica, CA United States 90409 -
Authors:
- Schach, S
- Publication Date: 0
Media Info
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Serial:
- Transportation Research /UK/
- Issue Number: 0
- Publisher: Pergamon Press, Incorporated
Subject/Index Terms
- TRT Terms: Freeways; Mathematical models; Multilane highways; Time; Traffic flow; Traffic lanes; Traffic speed; Vehicular phase
- Uncontrolled Terms: Change; Models
- Old TRIS Terms: Overall travel speed
- Subject Areas: Highways; Operations and Traffic Management;
Filing Info
- Accession Number: 00227292
- Record Type: Publication
- Files: TRIS
- Created Date: Jan 18 1971 12:00AM