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QUESTION
These four links are really 2 links O-P-R and O-Q-R, because by conservation of flow Qop = Qpr and Qoq=Qqr.
These four links are really 2 links O-P-R and O-Q-R, because by conservation of flow Qop = Qpr and Qoq=Qqr. By Wardrop"s Equilibrium Principle, The travel time (cost) on each used route must be equal. So Copr = Coqr. Questions?
