PROPAGATION OF ON-RAMP DENSITY WAVES ON UNIFORM UNIDIRECTIONAL MULTILANE FREEWAYS
THIS PAPER PRESENTS A GENERALIZED ANALYSIS OF THE EFFECTS OF ON-RAMP TIME VARYING FLOW ON UNIDIRECTIONAL N-LANE FREEWAYS. THE ANALYSIS INCORPORATES THE SPEED-DENSITY RELATIONS FOR EVERY LANE, WHICH ARE THEN USED TO SET UP SEPARATE CONTINUITY EQUATIONS FOR EVERY LANE AND ARE COUPLED BY SOME REASONABLE LANE-CHANGING HYPOTHESES. THE PAPER ASSUMES THE SAME WAVE VELOCITIES (UNIFORM FREEWAY) FOR THE PERTURBED FLOW IN EACH LANE OF A FREEWAY. USING THE GENERALIZED N-LANE ANALYSIS, THE PAPER THEN PREDICTS THE RELATIVE PROPAGATION OF DENSITY PERTURBATIONS IN TIME AND SPACE IN DIFFERENT LANES OF A TWO-LANE, THREE-LANE, AND FOUR-LANE FREEWAY. THE CORRESPONDING RELAXATION DISTANCES FROM THE ON-RAMP, WHERE THE INITIAL PERTURBATION HAD STARTED, HAVE BEEN DEFINED AND COMPARED FOR THE TWO-LANE, THREE-LANE, AND FOUR-LANE FREEWAY. THE ABOVE STUDIES HAVE THEN INCORPORATED THE EFFECTS OF CONTROLLED RAMP FLOW BY SUITABLE MATHEMATICAL EXPRESSIONS THAT SIMULATE CONTROLLED RAMP FLOW. /AUTHOR/
-
Availability:
- Find a library where document is available. Order URL: http://worldcat.org/oclc/1767714
-
Supplemental Notes:
- Vol 5, No 4, PP 390-402, 4 FIG, 4 REF
-
Corporate Authors:
Operations Research Society of America
428 East Preston Street
Baltimore, MD United States 21202 -
Authors:
- Munjal, P K
- Pipes, L A
- Publication Date: 0
Media Info
-
Serial:
- Transportation Science
- Volume: 5
- Issue Number: 2
- Publisher: Institute for Operations Research and the Management Sciences (INFORMS)
- ISSN: 0041-1655
- Serial URL: http://transci.journal.informs.org/
Subject/Index Terms
- TRT Terms: Interchange ramps; Mathematical analysis; Multilane highways; On ramps; One way traffic; Perturbation theory; Traffic control; Traffic density; Traffic flow theory; Traffic speed
- Old TRIS Terms: Freeway entrances and exits; Freeway ramps
- Subject Areas: Highways; Operations and Traffic Management;
Filing Info
- Accession Number: 00227342
- Record Type: Publication
- Files: TRIS
- Created Date: May 1 1972 12:00AM