Аннотация
We study a vehicular traffic scenario on Swiss roads in an emergency
situation, calculating how sequentially roads block due to excessive
traffic load until global collapse (gridlock) occurs and in this way
displays the fragilities of the system. We used a database from
Bundesamt far Raumentwicklung which contains length and maximum allowed
speed of all roads in Switzerland. The present work could be interesting
for government agencies in planning and managing for emergency logistics
for a country or a big city. The model used to generate the flux on the
Swiss road network was proposed by Mendes et al. Physica A 391, 362
(2012). It is based on the conservation of the number of vehicles and
allows for an easy and fast way to follow the formation of traffic jams
in large systems. We also analyze the difference between a nonlinear and
a linear model and the distribution of fluxes on the Swiss road.
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