Stop-and-Go
Science
By better understanding traffic flow, researchers hope to keep
down highway congestion
Researchers are using controversial
new models and computer simulations to study roadway congestion and
try to control traffic.
References:
Daganzo, C.F., M.J. Cassidy, and R.L. Bertini. 1999. Possible explanations
of phase transitions in highway traffic. Transportation Research
Part A 33(May 19):365.
Helbing, D., A. Hennecke, and M. Treiber. 1999. Phase diagram of
traffic states in the presence of inhomogeneities. Physical Review
Letters 82(May 24):4360.
Helbing, D., and M. Schreckenberg. 1999. Cellular automata simulating
experimental properties of traffic flow. Physical Review E
59(March):R2505.
Helbing, D., and B.A. Huberman. 1998. Coherent moving states in highway
traffic. Nature 396(Dec. 24/31):738.
Helbing, D., and M. Treiber. 1998. Jams, waves, and clusters. Science
282(Dec. 11):2001.
Kerner, B.S. 1998. Experimental features of self-organization in
traffic flow. Physical Review Letters 81(Oct. 26):3797.
Kerner, B.S., and H. Rehborn. 1997. Experimental properties of phase
transitions in traffic flow. Physical Review Letters 79(Nov.
17):4030.
Further Readings:
Gallagher, R., and T. Appenzeller. 1999. Beyond reductionism. Science
284(April 2):79.
Lipkin, R. 1994. Intricate patterns from cellular automata. Science
News 146(Aug. 13):109.
Nagel, K. 1999. Hell on wheels. The Sciences (May/June):26.
Perkins, S. 1998. Whither heapeth the dancing sands? Science News
153(Feb. 7):95.
Peterson, I. 1999. Complex systems. Science 284(April 2):79.
______. 1996. The gods of sugarscape.
Science News 150(Nov. 23):332.
______. 1994. Computing a flame's turbulent flickers. Science
News 146 (Sept. 10):164.
Sources:
Michael J. Cassidy
University of California, Berkeley
Department of Civil and Environmental Engineering
Berkeley, CA 94720-1712
Carlos F. Daganzo
University of California, Berkeley
Department of Civil and Environmental Engineering
Berkeley, CA 94720
Dirk Helbing
University of Stuttgart
Institute of Theoretical Physics
Pfaffenwaldring 57/III
70550 Stuttgart
Germany
Bernardo A. Huberman
Xerox PARC
3333 Coyote Hill Road
Palo Alto, CA 94304
Boris Kerner
DaimlerChrysler AG
Research Institute
FT1/V, HPC: E224
70546 Stuttgart
Germany
Carroll J. Messer
Texas A&M University
Campus Mailstop 3136
College Station, TX 77843-3136
Peter Molnar
Clark Atlanta University
223 James P. Brawley Drive, S.W.
Atlanta, GA 30314
Kai Nagel
Los Alamos National Laboratory
MS M997 TSA-SA: Simulation Applications
Los Alamos, NM 87545
Paul Nelson
Texas A&M University
Department of Computer Science
College Station, TX 77843-3136
Hubert Rehborn
DaimlerChrysler AG
Research Institute
FT1/V, HPC: E224
70546 Stuttgart
Germany
Michael Schreckenberg
Gerhard Mercator University
FB10 - Department of Physics
Physics of Transport and Traffic
Lotharstr. 1
D-47048 Duisburg
Germany
From Science
News, Vol. 156, No. 1, July 3, 1999, p. 8.
Copyright © 1999, Science Service.
